JP6740704B2 - Mounting bracket - Google Patents

Description

The present invention relates to a mounting bracket.

For example, as an on-vehicle electrical component, there is a PM sensor or a NOx sensor as an exhaust gas sensor for detecting a component of an exhaust gas of an automobile. The sensor heads of these exhaust gas sensors are provided in the exhaust system of automobiles. The controller (signal processing unit) of the exhaust gas sensor is attached to the vehicle via a mounting bracket. The sensor head and the controller are connected by a wire harness (cable harness).

Although it is not an exhaust gas sensor, for example, in Patent Document 1, a detection sensor for detecting the rotation speed of a wheel is provided at one end of a suspension arm, a wire harness is connected to the detection sensor, and the wire harness has a plurality of brackets. Discloses that the suspension arm is fixed at a plurality of locations along the suspension arm.

JP, 2010-228734, A

However, in the wire harness connected to the exhaust gas sensor, depending on the arrangement and fixing method of the wire harness, the wire harness may flutter during traveling and may come into contact with the edges of other parts or contact with heated parts. Therefore, it may be damaged.

On the other hand, in the wire harness connected to the detection sensor described in Patent Document 1, since the wire harness is fixed to the suspension arm by the mounting bracket, fluttering of the wire harness during traveling is suppressed. However, since the mounting bracket is merely for fixing the wire harness to the suspension arm, there is a problem in that the wire harness cannot be arranged in the vehicle width direction by itself.

An object of the present invention is to provide a mounting bracket that can arrange the wire harness in the vehicle width direction while suppressing the fluttering of the wire harness.

In order to achieve the above object, the mounting bracket according to the present invention,
In the mounting bracket for mounting electrical components on the vehicle,
A wall surface portion that supports the electrical component,
A guide portion for guiding the wire harness connected to the electrical component in the vehicle width direction,
Equipped with.

According to the present invention, the wire harness can be arranged in the vehicle width direction while suppressing the fluttering of the wire harness.

It is a figure which shows the mounting state of the electrical component using the mounting bracket which concerns on embodiment of this invention. It is a perspective view of a mounting bracket concerning an embodiment of the invention. It is a top view of a mounting bracket. It is sectional drawing which shows the attachment structure of the clip member provided in the bending part of an attachment bracket. It is sectional drawing which shows the attachment structure of the clip member provided in the seat part of an attachment bracket by the cross section along the axis|shaft of a wire harness. It is sectional drawing which shows the attachment structure of the clip member provided in the seat part of an attachment bracket by the cross section orthogonal to the axis|shaft of a wire harness.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a diagram showing a mounting state of an electrical component using a mounting bracket according to an embodiment of the present invention.

As shown in FIG. 1, an internal combustion engine (not shown) is mounted on a frame 1 of the vehicle. The exhaust pipe 3 connected to the internal combustion engine is connected to the inlet of the catalyst device 5. A muffler 6 is connected to the outlet of the catalyst device 5. The catalyst device 5 is fixed to the frame 1 via a vehicle bracket 8.

A PM sensor 10 for detecting particulate matter (PM) in exhaust gas is used as the exhaust gas sensor. The PM sensor 10 has a controller 12, a sensor head 14, and a wire harness 16.

The sensor head 14 is connected to the muffler 6. In the present embodiment, the sensor head 14 is arranged at a position closer to the outside in the vehicle width direction D1 with respect to the controller 12 and closer to the vehicle front direction D2.

The wire harness 16 is connected to the controller 12 and the sensor head 14. However, if the wire harness 16 is simply extended from the position of the controller 12 to the connection position of the sensor head 14, the wire harness 16 may flutter during traveling and may come into contact with other parts. Therefore, it is necessary to arrange the wire harness 16 along a predetermined route.

In the present embodiment, the mounting bracket 20 is provided in order to route the wire harness along a predetermined route while suppressing the fluttering of the wire harness 16. The mounting bracket 20 is attached to the frame 1 via the vehicle bracket 8. The mounting bracket 20 may be directly attached to the frame 1.

FIG. 2 is a perspective view of the mounting bracket 20 according to the embodiment of the present invention. FIG. 3 is a plan view of the mounting bracket.
As shown in FIG. 2, the mounting bracket 20 supports, in addition to the controller 12, the controller 102 of the NOx sensor 100 capable of measuring the NOx concentration in the exhaust gas. The mounting bracket 20 is formed by pressing an iron plate, and has a base surface portion 22, a wall surface portion 24, a guide portion 26, and a fixing portion 28.

The base surface portion 22 has a substantially horizontal plane and is fastened to the vehicle bracket 8 with bolts and nuts.

The wall surface portion 24 has a substantially vertical plane and is erected on the base surface portion 22. The wall surface portion 24 has an upper wall portion 241 that supports the controller 12, and a lower wall portion 242 that supports the controller 102.

As shown in FIGS. 2 and 3, the guide portion 26 extends from the upper wall portion 241 in the vehicle width direction D1. The tip portion of the guide portion 26 has a bent portion 27 that is bent so as to be inclined in the vehicle front direction D2. A clip member 30 (see FIG. 4) is provided on the bent portion 27.

FIG. 4 is a cross-sectional view showing a mounting structure of the clip member 30 in the mounting bracket 20.
As shown in FIG. 4, the bent portion 27 is provided with a rectangular hole 271. A thin plate member 272 is provided so as to close the rectangular hole 271 from the vehicle front direction D1. For the thin plate member 272, an iron plate having a plate thickness thinner than that of the bent portion 27 is used. The thin plate member 272 has a through hole 273.

The clip member 30 has a head portion 32, a body portion 34, and a pair of leg portions 36. The head portion 32 has a tubular shape, and is firmly fitted and fixed to the wire harness 16. Before the wiring harness 16 is laid out, the clip member 30 is attached to the wire harness 16 in advance.

The body portion 34 has a rectangular outer peripheral portion, and is prevented from rotating by fitting the outer peripheral portion into the rectangular hole 271. The pair of legs 36 has a restoring force, and after being passed through the through hole 273, the pair of legs 36 are opened by the restoring force and locked to the peripheral edge portion of the through hole 273. In the routing work, the wire harness 16 is fixed to the bent portion 27 via the clip member 30 by passing the pair of leg portions 36 through the through holes 273.

By fixing the wire harness 16 to the bent portion 27, the wire harness 16 is routed in the vehicle width direction D1 along the guide portion 26, and is also routed in the diagonal vehicle front direction D2 along the bent portion. To be done.

The lateral wall portion 29 extends from the lower wall portion 242 in the vehicle width direction D1. A gap S1 is provided between the lateral wall portion 29 and the guide portion 26 extending from the upper wall portion 241 in the vehicle width direction D1. The gap S1 is for routing the wire harness 16 connected to the controller 102 of the NOx sensor 100.

A flange portion 291 extends from the upper end of the lateral wall portion 29 in the vehicle front direction D2. The flange portion 291 is provided at a position lower than the guide portion 26 in the height direction and outside the guide portion 26 in the vehicle width direction D1.

The fixing portion 28 is provided on the flange portion 291. The fixing portion 28 is provided with a clip member 300 (see FIG. 5) for fixing the wire harness 16. No other component is arranged in the space between the clip member 30 provided in the bent portion 27 and the clip member 300 provided in the fixed portion 28 or in the vicinity of the space.

FIG. 5 is a sectional view showing a mounting structure of the clip member 300 in the mounting bracket 20 in a section along the axis of the wire harness 16. FIG. 6 is a cross-sectional view showing the attachment structure of the clip member 300 in a cross section orthogonal to the axis of the wire harness 16.

As shown in FIGS. 5 and 6, the fixing portion 28 has a seat portion 282, a prepared hole 284, and a rotation stopping portion 286.

As shown in FIGS. 5 and 6, the clip member 300 is placed on the seat portion 282. The prepared hole 284 is provided in the seat portion 282 and is a hole for inserting a screw. The rotation stopping portion 286 is for contacting the side edge portion 301 of the clip member 300 to prevent the clip member 300 from rotating around the screw at the time of fastening.

As shown in FIGS. 5 and 6, the clip member 300 is formed by bending a strip-shaped plate into a P-shape and has an intermediate portion 302 and both end portions 304 and 306. Both ends 304 and 306 are provided with pilot holes for passing screws.

The intermediate portion 302 has a tubular shape and is loosely fitted onto the wire harness 16 before being fastened with screws. Therefore, by moving the wire harness 16 relative to the intermediate portion 302 during the wiring work of the wire harness 16, the wire harness 16 is largely or slightly bent between the clip members 30 and 300. Therefore, it is possible to absorb the variation in the total length of the wire harness 16.

As described above, since no other component is arranged in the space between the clip members 30 and 300 or in the vicinity of the space, even if the wire harness 16 is largely bent between the clip members 30 and 300. The wire harness 16 does not come into contact with other parts.

After absorbing the variation in the total length of the wire harness, the clip member 300 is fastened to the fixing portion 28 with the screw so that the cylinder axis of the intermediate portion 302 is directed in the vehicle front direction D2. Then, the wire harness 16 is fixed.

Since the cylinder axis of the intermediate portion 302 is oriented in the vehicle front direction D2, the wire harness 16 passed through the intermediate portion 302 can be routed along the vehicle front direction D2. As a result, the sensor head 14 provided at the tip of the wire harness 16 can be connected to a predetermined position located in the vehicle front direction D2. In order to prevent the wire harness 16 from loosening as much as possible between the predetermined position to which the sensor head 14 is connected and the clip member 300, as described above, the wire harness 16 is appropriately bent between the clip members 30 and 300. No Therefore, the work of tightly fitting the intermediate portion 302 onto the wire harness 16 is performed at the final stage of the routing work.

According to the mounting bracket 20 of the above-described embodiment, since the guide portion 26, the bent portion 27, and the fixed portion 28 are provided, it is possible to suppress the fluttering of the wire harness 16 during traveling, and further, to secure the wire harness 16 It becomes possible to arrange along a predetermined route.

Further, by providing the thin plate member 272 having the through hole 273, it is possible to easily prevent the clip member 30 from rotating and coming off.

Further, by providing the fixing portion 28 with the rotation stopping portion 286, the clip member 300 can be easily attached to the fixing portion 28.

In addition, in the above-described embodiment, the electric component provided with the PM sensor 10 and the NOx sensor 100 is shown, but the present invention is not limited to this, and may be a speedometer, for example.

Further, in the above-described embodiment, the bent portion 27 is described as being bent in the vehicle front direction D2, but the present invention is not limited to this. For example, the connection position of the sensor head 14 is behind the vehicle in the bent portion 27. In the case of the direction, the bent portion 27 may be bent in the vehicle rearward direction.

INDUSTRIAL APPLICABILITY The present invention is useful as a mounting bracket capable of arranging the wire harness in the vehicle width direction while suppressing the fluttering of the wire harness.

1 frame 3 exhaust pipe 5 catalyst device 6 muffler 8 vehicle bracket 10 PM sensor 12 controller 14 sensor head 16 wire harness 20 mounting bracket 22 base surface portion 24 wall surface portion 26 guide portion 27 bent portion 28 fixed portion 29 lateral wall portion 30 clip member 32 Head part 34 Body part 36 Leg part 100 NOx sensor 102 Controller 241 Upper wall part 242 Lower wall part 271 Rectangular hole 272 Thin plate member 273 Through hole 282 Seat part 284 Lower hole 286 Anti-rotation part 291 Flange part 300 Clip member 301 side Edge 302 Intermediate part 304 End 306 End

Claims (4)

In the mounting bracket for mounting electrical equipment on the vehicle,
A wall surface portion that supports the electrical component,
A guide portion for guiding the wire harness connected to the electrical component in the vehicle width direction,
Bei to give a,
The tip portion of the guide portion has a bent portion that is bent in the vehicle front direction or the vehicle rear direction,
A clip member provided in the bent portion, having a head portion, a body portion, and a leg portion; and a thin plate member having a through hole formed therein,
The bent portion has a rectangular hole,
The head is firmly fitted and fixed to the wire harness,
The body has a rectangular outer peripheral portion, and the outer peripheral portion is fitted into the rectangular hole so as to prevent rotation,
The leg portion is locked to a peripheral portion of the through hole formed in the thin plate member arranged on the side opposite to the side where the wire harness is arranged with respect to the bent portion in the bent portion. Mounting bracket. Further comprising, mounting bracket according to claim 1 fixing portion for fixing the wire harness is guided to the bent portion. The wall surface portion has a support upper portion for supporting the first electric component on the upper side and a support lower portion for supporting the second electric component on the lower side,
The guide portion is provided at the same position as the support upper portion in the height direction, and guides the wire harness connected to the first electrical component in the vehicle width direction,
The mounting bracket according to claim 2 , wherein the fixing portion is provided at a position lower than the guide portion in the height direction, and fixes the wire harness guided by the guide portion in the vehicle width direction. The mounting bracket according to claim 2 or 3 , wherein the wall surface portion, the guide portion, and the fixing portion are integrally provided.

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