JP2012126265A - Whirl stop structure for bracket - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a whirl stop structure for a bracket capable of carrying out the whirl stop for a bracket by a simple structure without causing the generation of rust, and an increase of weight and cost or the like.SOLUTION: As the whirl stop structure of the bracket 8 holding a harness 5 fastened and fixed to the inner surface of a wheel house 1 of a vehicle, a notch (engaging section) 8c is formed in the bracket 8, an engaging pawl (section to be engaged) 9a is formed on a front apron member (adjacent component) 9 that is adjacent to the fixed place of the bracket 8 and attached to the inner surface of the wheel house 1. The structure carrying out the whirl stop of the bracket 8 by engaging the notch (engaging section) 8c of the bracket 8 with the engaging pawl (section to be engaged) 9a is adopted.

Description

  The present invention relates to a detent structure for a bracket that holds a harness routed in a wheel house of a vehicle.

  Some vehicles are equipped with an ABS (anti-lock brake system) as a means for preventing wheel lock during sudden braking and improving vehicle body posture stability and maneuverability. This ABS is an acceleration sensor (G sensor) that detects vehicle deceleration, a wheel speed sensor that detects the rotation speed of each wheel, and an optimum rotation speed of each wheel based on the detected values of these acceleration sensors and wheel speed sensors. And a ABS actuator that controls the hydraulic pressure supplied to the brakes of each wheel by a control signal output from the controller.

  By the way, the wheel speed sensor is attached to a knuckle that rotatably supports the axle, and the harness extending from the wheel speed sensor is routed along the inner surface of the wheel house, and passes through the through hole of the wheel house to the controller. Connected to. In this way, a part of the harness routed along the inner surface of the wheel house is held on the inner surface of the wheel house by a bracket in order to prevent the harness from hanging down.

  The bracket for holding the harness extending from the wheel speed sensor has an engaging claw formed at one end thereof in a hole formed in the wheel house as disclosed in, for example, Patent Document 1 and Patent Document 2. It is prevented by turning it together.

JP 2000-115948 A JP 2010-052557 A

  However, if a configuration in which the rotation of the bracket is prevented by engaging the engaging claw formed on the bracket with the hole of the wheel house as in the conventional case, the hole formed in the wheel house where water can be infiltrated is used. There is a possibility of rusting around. As a method for preventing such a problem, a structure in which a stud bolt or the like is raised instead of the hole to prevent the bracket from rotating is conceivable. However, if such a structure is adopted, additional processing is required, and a stud bolt or the like can be used. There is a problem that the number of parts increases, resulting in an increase in weight and cost.

  The present invention has been made in view of the above problems, and the object of the present invention is a bracket that can prevent rotation of the bracket with a simple configuration without causing generation of rust, increase in weight, cost increase, and the like. The object is to provide a detent structure.

  In order to achieve the above object, the invention according to claim 1 is an anti-rotation structure for a bracket that is fastened and fixed to the inner surface of a wheel house of a vehicle and holds a harness, and an engaging portion is formed on the bracket. An engaged portion is formed in an adjacent part attached to the inner surface of the wheel house adjacent to the fixed portion, and the bracket is prevented from rotating by engaging the engaged portion of the bracket with the engaged portion. It is characterized by adopting a configuration.

  According to a second aspect of the present invention, in the first aspect of the present invention, one of the engaging portion and the engaged portion is substantially parallel to the mounting surface at the edge of the bracket or the adjacent part and separated from the mounting surface. The other part of the engaging part and the engaged part is formed in a bent part that is bent substantially perpendicularly from the mounting surface of the bracket or the adjacent component. To do.

  The invention according to claim 3 is the invention according to claim 2, wherein a slit-like notch is formed in the bent portion, and the notch is configured as the engaging portion or the engaged portion. To do.

  According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects, a harness holding portion and the engaging portion are formed around a fastening seat surface of the bracket.

  According to invention of Claim 1, by engaging the engaging part formed in the bracket with the to-be-engaged part formed in adjacent parts, such as the apron front member attached adjacent to the wheel house. Since the bracket is prevented from rotating, it is not necessary to form a rotation-preventing hole in the wheel house, and there is no problem that rust is generated around the hole. In addition, there is no need to set up a stud bolt for locking the wheel house, etc., so additional processing is not required, and the bracket can be locked with a simple configuration without increasing the cost and weight due to an increase in the number of parts. It can be carried out.

  According to the second aspect of the present invention, one of the engaging portion and the engaged portion is formed in the separation portion provided at the edge of the bracket or the adjacent part so as to be substantially parallel to the attachment surface and away from the attachment surface. In addition, since the other of the engaging portion and the engaged portion is formed in a bent portion that bends substantially perpendicularly from the mounting surface of the bracket or the adjacent component, even if it is a plate member on which the bracket and the adjacent component are mounted on the same surface, The engaging portion and the engaged portion formed in these can be reliably engaged, and this engagement ensures the detent of the bracket and enhances the tightening workability of the bracket.

  According to the third aspect of the present invention, the slit-shaped notch is formed in the bent portion formed on one of the bracket or the adjacent component, and the notch is configured as the engaging portion or the engaged portion. Engagement of the engaged portion or the engaging portion with the notch ensures that the bracket is prevented from rotating in both rotational directions, and prevents erroneous mounting of the bracket.

  According to the invention described in claim 4, since the harness holding portion and the engaging portion are formed around the fastening seating surface of the bracket, the bracket can be configured as a small and compact part.

It is a perspective view of the front suspension part of a vehicle. It is a partial side view which shows the wiring structure in the wheel house of a harness. FIG. 3 is an enlarged detail view of a part A in FIG. 2. FIG. 4 is a sectional view taken along line BB in FIG. 3. (A)-(c) is a perspective view of a bracket. FIG. 6 is a partial view in the direction of arrow C in FIG.

  Embodiments of the present invention will be described below with reference to the accompanying drawings.

  1 is a perspective view of a front suspension portion of a vehicle, FIG. 2 is a partial side view showing a wiring structure of a harness in a wheel house, FIG. 3 is an enlarged detail view of a portion A in FIG. 2, and FIG. FIG. 5A to FIG. 5C are perspective views of the bracket, and FIG. 6 is a partial view in the direction of arrow C in FIG.

  The front suspension shown in FIG. 1 supports a right front wheel (not shown) housed in a wheel house 1 of a vehicle, and a knuckle 3 is attached to the lower end of a strut suspension 2 that can extend and contract in the vertical direction. Yes. An axle (not shown) is rotatably inserted and held inside the knuckle 3, and right and left front wheels are attached to an outer end portion of the axle via a wheel hub (not shown).

  Incidentally, an ABS (anti-lock brake system) is mounted on the vehicle according to the present embodiment, and a wheel speed sensor 4 provided on the ABS is attached to the knuckle 3. The wheel speed sensor 4 magnetically detects the rotational speed of the axle (the right front wheel), and the harness 5 extending from the wheel speed sensor 4 is bent (slack) while being bent through the inside of the strut suspension 2. And a portion of which is routed along the inner surface of the wheel house 1 and a part thereof is held by a bracket 8 that is fastened and fixed to the inner surface of the wheel house 1. Although not shown, the harness 5 is routed along the inner surface of the wheel house 1 and connected to an in-vehicle controller (ECU).

  Although the front suspension for supporting the right front wheel has been described above, the front suspension for supporting the left front wheel (not shown) is similarly configured. As shown in FIG. 2, the harness 5 is also routed along the inner surface of the wheel house 1 that houses the right front wheel, and a part of the harness 5 is fastened and fixed to the inner surface of the wheel house 1 by a bolt (not shown). The bracket 8 and the clip 10 attached to the front apron member 9 which is an adjacent part are held.

  Next, a structure for preventing the bracket 8 from rotating will be described.

  The bracket 8 is a sheet metal part, and as shown in FIGS. 5 and 6, harness holding portions 8B and 8C and a bent portion 8D are formed around a flat fastening seat surface 8A. Here, a circular bolt insertion hole 11 is formed in the center of the tightening seat surface 8A of the bracket 8 as shown in FIG. 6, and one harness holding portion 8B has two stages from the tightening seat surface 8A. And a notch-shaped hook hole 8a is formed at the end thereof. The other harness holding portion 8C is bent at a substantially right angle from the fastening seat surface 8A, and the end thereof is rounded to constitute a cylindrical harness insertion portion 8b. Further, the bent portion 8D is bent substantially perpendicularly from the fastening seat surface 8A, and a rectangular slit-shaped notch 8c is formed at the center in the width direction, and the notch 8c is formed on the bracket 8 side. The engaging part is constituted.

  On the other hand, as shown in FIG. 2, the front apron member 9 is an adjacent part that is attached to the inner surface of the wheel house 1 adjacent to the fixed portion of the bracket 8, and is formed by press forming of the metal plate. It is formed in an arc shape along. As shown in FIG. 4, the rear end edge of the lower end portion of the front apron member 9 (a location corresponding to the bracket 8 fixed to the wheel house 1) is substantially parallel to the mounting surface of the front apron member 9. A spacing portion 9A that bulges partially outward is formed so as to be spaced from the mounting surface. An engagement claw 9 a that protrudes toward the front of the vehicle is formed in a part of the separation portion 9 A, and the engagement claw 9 a constitutes an engaged portion of the front apron member 9.

  Thus, as shown in FIGS. 2 and 3, the hook hole 8 a formed in one harness holding portion 8 </ b> B of the bracket 8 is fitted and held with a grommet 12 inserted and fixed to a part of the harness 5. The harness 5 approaching the wheel house 1 from the fixing portion to the strut suspension 2 is elastically held in a state substantially along the vertical direction, and a portion extending from the grommet 12 of the harness 5 is bent toward the front side of the vehicle. Thus, the other harness holding portion 8C formed on the upper portion of the bracket 8 is passed through and held obliquely upward and forward by a harness insertion portion 8b. Therefore, a part of the harness 5 is held by the bracket 8.

  As described above, the bracket 8 that holds a part of the harness 5 is attached so that the bent portion 8D faces the separating portion 9A of the front apron member 9 as shown in FIGS. An engaging claw 9a formed as an engaged portion of the front apron member 9 engages with the notch 8c formed as an engaging portion in 8D. In this way, when the notch 8c that is the engaging portion on the bracket 8 side and the engaging claw 9a that is the engaged portion on the front apron member 9 are engaged with each other, the rotation prevention that prevents the rotation of the bracket 8 is performed. Made. The engaging claw 9a is formed so as to be substantially parallel to the mounting surface and away from the mounting surface. On the other hand, the bent portion 8D extends from the mounting surface in a substantially vertical direction. The bent portion 8D (notch 8c) extends in the intersecting direction, and the contact of the detent is ensured.

  When the bracket 8 is attached to the inner surface of the wheel house 1 with the bracket 8 being prevented from rotating as described above, the bolt insertion hole 11 (see FIG. 6) formed in the fastening seat surface 8A of the bracket 8 is provided. Even if the bolt 7 to be inserted is turned, the bracket 8 does not rotate, and the operator can attach the bracket 8 to the inner surface of the wheel house 1 by turning the bolt 7 with good workability. Then, when the bracket 8 is attached to the inner surface of the wheel house 1 in this way, a part of the harness 5 is held by the bracket 8 and its drooping is prevented.

  Thus, according to the anti-rotation structure of the bracket 8 according to the present invention, the bracket 8 is formed on the engaging claw 9a formed on the apron front member 9 which is an adjacent part attached adjacent to the wheel house 1. By engaging the notch 8c of the bent portion 8D, the bracket 8 is prevented from rotating, so that it is not necessary to form a rotation-preventing hole in the wheel house 1, and rust is generated around the hole. There is no such a problem. Further, since there is no need to set up a stud bolt for preventing rotation on the wheel house 1 or the like, no additional processing is required, and the bracket 8 can be rotated around the bracket 8 with a simple configuration without causing an increase in cost and weight due to an increase in the number of parts. Stop can be done.

  In particular, in the present embodiment, the engaging claw 9a that is the engaged portion is formed on the edge of the front apron member 9 in the separation portion 9A provided so as to be substantially parallel to the attachment surface and away from the attachment surface, Since the engaging portion is formed as the notch 8c in the bent portion 8D that bends substantially perpendicularly from the fastening seating surface 8A of the bracket 8, even if the bracket 8 and the front apron member 9 are plate members attached to the same surface, As shown in FIG. 4, the notch 8c, which is the engaging portion formed in these, and the engaging claw 9a, which is the engaged portion, can be reliably engaged as shown in FIG. Thus, the tightening workability of the bracket 8 is improved. Further, the engagement of the notch 8c, which is the engaging portion on the bracket 8 side, and the engaging claw 9a, which is the engaged portion on the front apron member 9, side, reliably prevents the bracket 8 from rotating in both rotational directions. In addition, the positioning becomes possible, the wiring state of the harness is stabilized, and the durability of the harness is improved. Furthermore, the effect that the incorrect assembly of the bracket 8 is prevented is also obtained.

  Further, in the present embodiment, since the harness holding portions 8B and 8C and the bent portion (engagement portion) 8D are formed around the fastening seat surface 8A of the bracket 8, the bracket 8 is formed as a small and compact component. It can be configured, and the manufacturing thereof is facilitated and the cost is reduced.

  In the above embodiment, the bent portion 8D (notch 8c) is formed as the engaging portion on the bracket 8 side, and the engaging claw 9a is formed as the engaged portion on the front apron member 9 side. On the contrary, the same effect as described above can be obtained by forming an engaging claw on the bracket 8 side and forming a bent portion (notch) on the front apron member 9 side.

DESCRIPTION OF SYMBOLS 1 Wheel house 4 Wheel speed sensor 5 Harness 6 Bracket 7 Bolt 8 Bracket 8A Bracket clamping seat surface 8B, 8C Bracket harness holding part 8D Bracket bent part 8c Bracket notch (engagement part)
9 Front apron member (adjacent parts)
9A Spacing part of front apron member 9a Engaging claw (engaged part) of front apron member

Claims (4)

A bracket detent structure that is fastened and fixed to the inner surface of the vehicle wheel house to hold the harness,
An engaging portion is formed on the bracket, an engaged portion is formed on an adjacent part attached to the inner surface of the wheel house adjacent to a fixing portion of the bracket, and the engaging portion of the bracket is formed on the engaged portion. A bracket detent structure characterized in that the bracket is derotated by engaging the bracket.   One of the engaging portion and the engaged portion is formed in a separation portion provided at an edge of the bracket or the adjacent component so as to be substantially parallel to the attachment surface and away from the attachment surface, 2. The bracket detent structure according to claim 1, wherein the other of the engaged portions is formed as a bent portion that bends substantially perpendicularly from an attachment surface of the bracket or the adjacent component.   The bracket detent structure according to claim 2, wherein a slit-shaped notch is formed in the bent portion, and the notch is configured as the engaging portion or the engaged portion. The bracket detent structure according to any one of claims 1 to 3, wherein a harness holding portion and the engaging portion are formed around a fastening seating surface of the bracket.

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