JPH09126359A - Support structure of brake hose - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a brake hose from sliding on another component in the case of the deflection of a brake hose. SOLUTION: A slot 16 is formed in a bracket 12, and the axial member 18 of a fixing jig 17 is inserted in the slot 16 so as to be slidable and rotatable, and a clip part 19 for holding a brake hose 5 is provided on the one end side of the axial member 18. Even when a rear accelerator moves vertically, the brake hose 5 does not slide on the bracket 12. Since the lateral movement of the axial member 18 is restrained by the right and left walls of the slot 16 and controlled, the brake hose does not move laterally and thereby does not come into contact with a muffler bracket 17 or rub against it. Thus the arrangement of parts is reduced in its width and can be compacted. If horizontal rotary force acts on the brake hose 5 centering around an extended part 15 to rotate the brake hose 5, the first guide plate 20 abuts on the bracket 12 to prevent the brake hose 5 from coming into contact with the bracket 12.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a support structure for a brake hose used in a vehicle brake system.

[0002]

2. Description of the Related Art An example of a conventional brake hose support structure is shown in FIG. In FIG. 3, the bracket 2 attached to the rear axle 1 supports the other end side of a rear wheel side brake pipe 3 whose one end side is connected to a rear wheel brake mechanism (not shown). The other end of the rear wheel side brake pipe 3 is connected to a supply side brake pipe 4 connected to a brake fluid supply source such as a master cylinder (not shown) via a flexible brake hose 5.

The brake hose 5 bends to absorb the movement of the rear axle 1 when the rear axle 1 makes a vertical stroke as shown by an arrow C. Further, the brake hose 5 is arranged so as not to interfere with each component such as an engine mount bracket 6 attached to an engine (not shown) and a muffler bracket 7 attached to a muffler (not shown).

If a sufficiently large space cannot be secured between the brake hose 5 and each component, a protector 8 may be provided on the brake hose 5 to protect the brake hose 5 as shown in FIG. .

Another example of the brake hose support structure is shown in FIG. In this brake hose support structure, a bracket 9 having a long hole formed by being curved is fixed to a muffler bracket 7 with a bolt 10. A grommet 11 through which the brake hose 5 is inserted is attached to the inside (long hole) of the bracket 9 so as to suppress the movement of the brake hose 5 and prevent the brake hose 5 from contacting each component. There is.

[0006]

By the way, in the support structure of the brake hose, it is desired that the brake hose does not come into contact with each component even when it is bent. However, the conventional technique shown in FIG. 3 cannot prevent the contact. Further, in the conventional technique shown in FIG. 4, the contact is made through the protector, and the above demand cannot be met. Further, in the prior art shown in FIG. 5, although it is possible to avoid the brake hose 5 coming into contact with the engine mount bracket 6 and the muffler bracket 7, the brake hose 5 slides on the grommet 11 at the time of bending, and thus the above-mentioned demand is met. It wasn't a proper answer.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a support structure for a brake hose which can prevent the brake hose from sliding on other parts when it bends.

[0008]

In order to achieve the above object, the present invention provides a support structure for a brake hose made of a flexible material that allows a brake fluid to pass through, and a bracket extending vertically on the vehicle body side. A clip that is attached to the bracket and has a long hole extending in the longitudinal direction of the bracket, and a shaft member is slidably and rotatably inserted into the long hole and holds the brake hose at one end of the shaft member. It is characterized by having a section. In this case, a protector extending in the longitudinal direction of the brake hose and longer than the width of the bracket may be provided in a portion of the shaft member between the clip portion and the bracket.

With the above-mentioned structure, the shaft member is restrained by the wall of the long hole and the movement in the direction orthogonal to the long hole is restricted. The brake hose is displaced with respect to the bracket via the shaft member. By providing a protector, which extends in the longitudinal direction of the brake hose and is longer than the width of the bracket, in a portion of the shaft member between the clip portion and the bracket, the brake hose rotates about the bracket. Also, the protector abuts the bracket.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION A support structure for a brake hose according to an embodiment of the present invention will be described below with reference to FIGS. 1 and 2. It should be noted that the illustration and description of the same members and parts as those shown in FIGS. 3 to 5 are omitted as appropriate.

In the figure, a bracket 12 is mounted on a muffler bracket (vehicle body side) 7 attached to a muffler (not shown) so as to extend below the vehicle (lower side in FIG. 1) and is attached by bolts 13. Bracket 12
Is generally configured by a bracket body 14 having a substantially L-shape in side view, into which the bolt 13 is inserted, and a plate-shaped extension 15 connected to an end of the bracket body 14.

An elongated hole 16 extending along the longitudinal direction of the extension portion 15 is formed at a substantially central portion of the extension portion 15. A fixing jig 17 is slidably provided in the elongated hole 16 as shown by an arrow A in FIG. 2 and rotatably as shown by an arrow B in FIG.
The shaft member 18 is inserted. The fixing jig 17 includes a shaft member 18 inserted into the elongated hole 16, a clip portion 19 provided on one end side (left side in FIG. 2) of the shaft member 18, and a shaft member so as to sandwich the extension portion 15. The guide plate 20 and the guide plate 20 are provided on the base plate 18.

The clip portion 19 has a substantially ring shape, and is adapted to pass through the brake hose 5 and hold the brake hose 5. First and second guide plates 2
0 and 21 are respectively provided in a portion between the clip portion 19 and the extension portion 15 of the shaft member 18 and the other end portion of the shaft member 18, and extend in the longitudinal direction of the brake hose 5 so as to be parallel to each other. Has been done. The first and second guide plates 20 and 21 are longer than the width of the extension portion 15,
In a state where the width direction of the extension portion 15 and the longitudinal direction of the brake hose 5 are aligned with each other, both end portions are beyond the end portion in the width direction of the extension portion 15. In this embodiment, the first guide plate 20 constitutes a protector.

In the brake hose support structure thus configured, when the rear axle 1 (see FIG. 3) moves in the vertical direction (arrow C direction in FIG. 3), this movement is transmitted to the brake hose 5 and the fixing jig 17. Then, the shaft member 18 of the fixing jig 17 vertically moves or rotates along the elongated hole 16,
In response to this, the brake hose 5 bends and the rear axle 1
Absorb the movement of. At this time, since the brake hose 5 is held by the clip portion 19 provided at the end of the shaft member 18 and is spaced from the extension portion 15 of the bracket 12 by a predetermined distance, the rear axle 1 moves up and down. However, the brake hose 5 does not slide on the bracket 12 (that is, contact and friction).

Further, since the shaft member 18 is restrained by the left and right walls of the elongated hole 16 and its lateral movement is restricted, the fixing jig 17, and hence the brake hose 5 does not shake left and right. Therefore, even if the brake hose 5 receives a force in the vehicle left-right direction, the brake hose 5 does not come into contact with the parts such as the engine mount bracket 6 and the muffler bracket 7 and are rubbed.

Furthermore, if the brake hose 5 is temporarily extended,
Even if it receives a turning force horizontally about 5 and rotates,
The guide plate 20 of is brought into contact with the bracket 12. Therefore, the brake hose 5 is prevented from coming into contact with the bracket 12 and being rubbed.

Since the brake hose 5 is prevented from coming into contact with other parts and being rubbed as described above, the durability of the brake hose 5 and each part can be improved. Further, the shaft member 18 of the fixing jig 17 is restrained by the left and right walls of the elongated hole 16 to restrict the movement in the left-right direction and the movement of the brake hose 5 in the left-right direction of the vehicle body is suppressed. Thus, it is possible to narrow the arrangement of each component and achieve compactness.

In the embodiment described above, the clip portion 19
Although the case where the brake hose 5 is inserted and the brake hose 5 is held is described as an example, the brake hose 5 may be held by bonding or caulking instead.

In the above embodiment, the first guide plate 20 is used.
In the above example, a protector is used as an example, but instead of this, a protruding plate that extends in the longitudinal direction of the brake hose from the shaft member side part of the clip part and is set to be longer than the width of the bracket is used. The protector may be provided to provide the protector.

[0020]

Since the present invention is the support structure for the brake hose constructed as described above, the shaft member is restrained by the wall of the long hole to restrict the movement in the direction orthogonal to the long hole, Since the members and thus the brake hose do not shake in the same direction, it is possible to suppress the contact of the brake hose with other parts. Since the movement of the brake hose in the direction orthogonal to the elongated hole is restricted, it is possible to narrow the arrangement of each component and achieve compactness.

Since the brake hose is displaced with respect to the bracket via the shaft member, it is difficult for the brake hose to contact the bracket. Therefore, the brake hose does not come into contact with and rub against the grommet (other parts), which may occur in the conventional example of the type in which the brake hose is inserted into the grommet having the long hole. Even if the brake hose rotates about the bracket, a protector that extends in the longitudinal direction of the brake hose and is longer than the width of the bracket is provided in a portion of the shaft member between the clip portion and the bracket. Since the protector contacts the bracket, it is possible to prevent the brake hose from contacting the bracket and being rubbed.

Further, since the brake hose is prevented from coming into contact with other parts and being rubbed, it is possible to improve the durability of the brake hose and each part. In addition, since the brake hose is restricted from moving in the left-right direction of the vehicle body, it is possible to narrow the respective parts and make the device compact.

[Brief description of the drawings]

FIG. 1 is a front view showing a support structure for a brake hose according to an embodiment of the present invention.

FIG. 2 is a partially cut side view showing a support structure for the brake hose.

FIG. 3 is a front view showing an example of a conventional brake hose support structure.

FIG. 4 is a front view showing a conventional example of a type in which a protector is provided on a brake hose.

FIG. 5 is a diagram schematically showing another conventional example of a support structure for a brake hose.

[Explanation of symbols]

 5 Brake hose 7 Muffler bracket (vehicle body side) 12 Bracket 16 Long hole 17 Fixing jig 18 Jig member 19 Clip part 20 First guide plate (protector)

Claims (2)

[Claims] 1. A support structure for a brake hose made of a flexible material that allows a brake fluid to pass therethrough, wherein a bracket extending in the vertical direction of the vehicle body is mounted on the vehicle body side, and an elongated hole extending in the longitudinal direction of the bracket is attached to the bracket. A support structure for a brake hose, characterized in that a shaft member is formed so as to be slidable and rotatably inserted into the elongated hole, and a clip portion for holding the brake hose is provided on one end side of the shaft member. 2. A protector, which extends in the longitudinal direction of the brake hose and is longer than the width of the bracket, is provided at a portion of the shaft member between the clip portion and the bracket. Brake hose support structure according to 1.