JPH10310038A - Parking brake cable holding structure - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To reduce the number of parts and the number of assembling operations and costs without requiring a separate member such as a cable guide. Provided is a parking brake cable holding structure having a configuration capable of holding a parking brake cable. SOLUTION: Parking brake lever arm main body 5
A plurality of protruding guide portions 12a to 12c on a region (one opposing piece portion 5a) extending in a curved shape.
And the parking brake lever arm body 5
The parking brake cable 4 having one end fastened to the parking brake lever arm main body 5 in a state where the parking brake cable 4 is routed along a curved path by being routed along the plurality of guide portions 12a to 12c. I do.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a parking brake device for stopping a vehicle in a brake-operated state, in which a parking brake cable is held by drawing a parking brake cable to a parking brake lever arm for operating the parking brake. It is about structure.

[0002]

2. Description of the Related Art FIG. 10 shows a conventional parking brake cable holding structure. In FIG. 10, reference numeral 1 denotes a parking brake lever arm for operating a parking brake; Stay for pivotally supporting the upper part, 4
Is a parking brake cable for transmitting the turning operation of the parking brake lever arm 1 to a parking brake mechanism (not shown).

The above-described parking brake lever arm 1
As shown in FIG. 10 to FIG.
A parking brake lever arm main body 5 having a U-shaped cross section having a and 5b, and a handle portion 6 for rotating the parking brake lever arm are provided. Is mounted in a rotatable state. A cable guide 8 is attached to the outer surface of the opposing piece 5a on one side of the parking brake lever arm body 5 by spot welding S or the like. As shown in FIGS. 10 and 11, the cable guide 8 has a mounting piece 8a attached to the facing piece 5a and an end portion of the parking brake cable 4 drawn in a curved state. It is made of a sheet metal member having guide pieces 8b for guiding.

On the other hand, the parking brake cable 4 is
As shown in FIGS. 13A and 13B, a cable main body 4a having a circular cross section, a cable rectangular cross section 4b having a rectangular cross section extending to one end of the cable main body 4a, and a cable rectangular cross section 4b And a cable adjusting screw 4c extending from the end of the cable. Thus, the other end of the parking brake cable main body 4a is connected to a parking brake mechanism (not shown), and one end of the parking brake cable body 4a extends along the curved path of the guide piece 8b of the cable guide 8 as shown in FIG. The wire is held between the facing piece 5a of the arm body 5 and the guide piece 8b of the cable guide 8 while being held. The cable rectangular section 4b provided at the other end of the parking brake cable main body 4a is connected to a cable pressing section 9 having a U-shaped section integrally formed at the end of the cable guide 8 as shown in FIG. The rectangular section 1 formed between the cable pressing section 9 having a U-shaped section and the opposing section 5a having a flat plate shape.
0, and is arranged under a state in which it is prevented from rotating.

The cable adjusting screw 4c is projected from the cable holding portion 9 and is screwed to the cable adjusting screw 4c with the end surface of the cable holding portion 9 as a nut seat. The cable effective length can be appropriately adjusted by two adjusting nuts (double nuts) 11a and 11b.

[0006]

However, in the above-described parking brake cable holding structure, the end portion of the parking brake cable 4 is routed (wiring).
And a cable guide 8 which is a separate member for preventing rotation.
It is necessary to fix the cable guide 8 to the parking brake lever arm main body 5 by spot welding S or the like. Therefore, there are problems that the number of parts of the parking brake cable holding structure is increased, the number of working steps during the assembling work is increased, and the weight of the structure is increased.

The present invention has been made in view of the above problems, and has as its object to reduce the number of parts and the number of assembling work steps without requiring a separate member such as a cable guide. It is an object of the present invention to provide a parking brake cable holding structure that can reduce the cost and cost, and can give the parking brake lever arm a sense of rigidity.

[0008]

In order to achieve the above object, according to the present invention, a plurality of projecting guides are integrally formed on a curved region which is a part of a parking brake lever arm body. The parking brake cable, one end of which is fixed to the parking brake lever arm body, is routed along the plurality of guide portions, so that the parking brake cable is wired along a curved path. It is designed to be held on the lever arm body.

Further, in the present invention, a cable fixing portion is integrally formed with a part of the parking brake lever arm body to which one end of the parking brake cable is fixed, and the parking portion is wired along the plurality of guide portions. One end portion of the brake cable is inserted and arranged in a rotation-preventing state in a cable accommodating portion composed of the cable fixing portion and the parking brake lever arm supporting stay, whereby the parking brake cable is connected to the plural guide portions and It is held by the cable fixing part.

[0010] In the present invention, a cable holding piece may be integrally formed in at least one area of the parking brake lever arm main body and at least one area between the adjacent guide sections. The parking brake cable is fixedly held in a region between the guide portions.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to FIGS. 1 to 9, the same parts as those in FIGS. 10 to 13 are denoted by the same reference numerals, and redundant description will be omitted.

FIG. 1 shows a parking brake cable holding structure according to the present invention. In this example, a plurality (for example, three) of projecting guide portions 12a, 12b, and 12c are integrally formed on a parking brake lever arm 1 mounted on a vehicle floor 3 via a stay 2. Specifically, as shown in FIG. 2, a plurality of projecting guide portions 12 a, which are press-formed so as to protrude outward at a plurality of locations, are formed on the opposing piece 5 a of the parking brake lever arm body 5. 12b, 12c are provided respectively, and guide portions 12a, 12b, 12
Guide grooves 13 for parking brake cable wiring are formed between c and the main body of the opposing piece 5a. In addition, these guide parts 12a, 12b, 12c
The cross-sectional shape of the parking brake cable 4 is as shown in FIG.
When the parking brake cable 4 is pulled in a state in which the parking brake cable 4 is wired along the guide groove 13, the parking brake cable 4 does not come off the guide groove 13. And each guide groove 1
Reference numerals 3 are divided and arranged at an interval from each other, and the cable guide surfaces of these guide grooves 13 are set so as to coincide with a part of a continuous curved path (required path for cable wiring).

As shown in FIGS. 3 and 5, the facing piece 5a of the parking brake lever arm body 5 has
A protruding cable fixing portion 14 integrally formed by pressing with a press is provided, and a cable rectangular cross section 4b formed at one end of the parking brake cable 4 is provided.
13 (see FIGS. 13A and 13B) are inserted and arranged in the above-mentioned cable fixing portion 14 in a state where they are prevented from rotating. The cable fixing portion 14 is provided with the facing piece 5
a, and has a rectangular cross section protruding outside of the cable a, and the concave portion 14a of the cable fixing portion 14 is configured to have a size capable of accommodating the cable rectangular cross section 4b. In addition, the end surface 14b of the above-mentioned cable fixing portion 14 (see FIGS. 4 and 6).
Is formed into a flat surface so as to be a seat surface of the adjustment nut 11a.

Further, as shown in FIG. 7, the opposing piece 5a of the parking brake lever arm body 5 is provided in a region between the guides 12a and 12b and at a location facing the guides 12a and 12b. A cable pressing piece 15 formed of a bent piece is integrally formed.

Next, the procedure for wiring and fixing the parking brake cable 4 to the parking brake lever arm body 5 will be described as follows.
First, the parking brake cable 4 having the other end connected to a parking brake mechanism (not shown) is routed to the opposing piece 5a of the parking brake lever arm body 5, and one end of the cable main body 4a is connected to the opposing piece 5a. Each of the guide portions 12a to 12c is routed into each of the guide grooves 13 so as to be wired along a predetermined curved path (see FIGS. 1 and 2), and the cable rectangular section 4
b with the cable fixing portion 14 of the facing piece 5a and the stay 2
And is inserted into the cable accommodating portion 16 having a rectangular cross-section surrounded by {circle around (1)} to make it a detent state (see FIGS. 3 and 6).
The parking brake cable 4 between the guides 12a and 12b is held down by bending the cable holding piece 15 of the facing piece 5a (see FIGS. 1 and 7).

Thereafter, the adjusting nut 1 is inserted into the cable adjusting screw portion 4c protruding from the cable housing portion 16.
1a and 11b are screwed into the end surface 14 of the cable fixing portion 14.
b is a seat of the adjusting nut 11a, and the effective length of the parking brake cable 4 is adjusted by adjusting these adjusting nuts 11a and 11b. Through the above operation, the parking brake cable 4 is wired, and the wired parking brake cable 4 is held in a fixed state on the parking brake lever arm body 5.

According to the parking brake cable holding structure having such a structure, the parking brake cable 4 is held only by the parking brake lever arm main body 5 without using a separate cable pressing part or the like. The number of points and the number of assembly points can be reduced, and the cost can be reduced. In addition, since welding work for mounting separate cable holding parts is not required,
There is no problem of poor welding and no welding inspection is required. Further, in the present embodiment, the guide portions 12a to 12c are not divided into continuous portions but are provided separately from each other at intervals, so that cost reduction and weight reduction can be achieved. Further, the cable holding piece 15 is integrally formed with the parking brake lever arm body 5 to form the cable holding piece 1.
5, the portion of the parking brake cable 4 between the guide portions 12a and 12b can be pressed, so that the parking brake cable 4 can be reliably prevented from coming off. Further, the surface rigidity of the opposing piece 5a is improved by integrally forming the protruding guide portions 12a to 12c and the cable fixing portion 14 with the opposing piece 5a of the parking brake lever arm body 5, so that the parking brake lever is improved. The rigidity of the arm 1 itself is improved.

Although the embodiment of the present invention has been described above, the present invention is not limited to this embodiment.
Various modifications and changes are possible based on the technical concept of the present invention. For example, guide portions 12 a to 12 m integrally formed on the opposing piece portion 5 a of the parking brake lever arm body 5.
The shape of 12c is not limited to the shape described above.
A burring hole 18 having a trumpet shape as shown in FIG. In the example described above, the guide portions 12a to 12c are used.
Are formed in a box shape, but these guide portions 12a to 12c may be constituted by cut-and-raised pieces 19 as shown in FIG.

In the embodiment described above, the three guide portions 12a to 12c are formed integrally with the parking brake lever arm body 5, but the number of the guide portions is two.
Alternatively, the number can be appropriately changed to four or more. Further, the cross-sectional shape of the cable fixing portion 14 is not limited to a rectangle, and may be any shape as long as rotation can be prevented.

[0020]

As described above, according to the first aspect of the present invention, a plurality of protruding guide portions are integrally formed on a part of a parking brake lever arm main body and on a region extending in a curved shape. By pulling a parking brake cable, one end of which is fixed to the parking brake lever arm body, along the plurality of guide portions, the parking brake lever arm body in a state where the parking brake cable is wired along a curved path. As a result, the parking brake cable can be wired (routed) and fixedly held only by the parking brake lever arm without requiring a separate cable guide as in the related art. Reduce the number of parts and assembly work, and reduce costs With bets can, it is possible to reduce the weight (weight reduction). Further, according to the present invention, since the guide portion is provided separately at several places, the parking brake lever arm can be manufactured at low cost. Further, since it is not necessary to weld a separate cable guide to the parking brake lever arm body by welding, welding work is not required, there is no problem of poor welding, and welding inspection is unnecessary. In addition, since the projection-shaped guide portion is integrally formed with the parking brake lever arm body, the surface rigidity of the parking brake lever arm body is improved due to the presence of the projection-shaped guide portion. The rigidity of the lever arm itself can be improved.

According to a second aspect of the present invention, a cable fixing portion is integrally formed with a part of the parking brake lever arm body to which one end of the parking brake cable is fixed, and the cable fixing portion is formed along the plurality of guide portions. One end of the parking brake cable to be wired is inserted into the cable receiving portion including the cable fixing portion and the parking brake lever arm supporting stay in an anti-rotation state, and thereby the parking brake cable is Since the parking brake lever arm is held by the plurality of guide portions and the cable fixing portions, the parking brake lever arm itself can have a function of preventing the parking brake cable from rotating.

According to a third aspect of the present invention, a cable holding piece is integrally formed in at least one of the regions between the guide portions which are a part of the parking brake lever arm body and are adjacent to each other. Since the parking brake cable is fixedly held in a region between the guide portions by the cable holding pieces, the parking brake cable routed along the guide portion is provided in a predetermined curved path. It is possible to reliably prevent the occurrence of a trouble that the user gets out of the vehicle.

[Brief description of the drawings]

FIG. 1 is a side view showing a parking brake cable holding structure according to an embodiment of the present invention.

FIG. 2 is an enlarged sectional view taken along line AA in FIG.

FIG. 3 is an enlarged sectional view taken along line BB in FIG. 1;

FIG. 4 is an enlarged sectional view taken along line CC in FIG. 3;

FIG. 5 is a perspective view of a cable fixing portion formed integrally with the opposing piece of the parking brake lever arm main body.

FIG. 6 is an exploded perspective view showing a cable housing area having a rectangular cross section formed by the cable fixing portion and a stay.

FIG. 7 is a perspective view showing a state in which a parking brake cable is drawn around a guide portion and fixed by a cable pressing piece.

FIG. 8 is a view showing a modified example of the guide portion, and (a).
FIG. 9 is a perspective view of a trumpet-shaped guide portion, and FIG. 9B is a cross-sectional view taken along line DD in FIG.

FIG. 9 is a perspective view showing a modification of the guide section.

FIG. 10 is a side view showing a conventional parking brake cable holding structure.

FIG. 11 is an enlarged sectional view taken along line EE in FIG. 10;

FIG. 12 is an enlarged sectional view taken along line FF in FIG. 10;

FIG. 13 shows a parking brake cable, wherein (a) is a side view of the parking brake cable,
FIG. 14B is an enlarged sectional view taken along line GG in FIG.

[Description of Signs] 1 parking brake lever arm 2 stay 4 parking brake cable 4a cable body 4b cable rectangular cross section 4c cable adjustment screw 5 parking brake lever arm body 5a, 5b opposing pieces 11a, 11b adjustment nuts 12a, 12b, 12c Guide part 13 Guide groove 14 Cable fixing part 14b End face as nut seating surface 15 Cable holding piece 16 Cable accommodation part 18 Burring hole 19 Cut-and-raised piece

Claims (3)

[Claims] 1. A parking brake in which a plurality of protruding guide portions are integrally formed on a region which is a part of a parking brake lever arm body and extends in a curved shape, and one end of which is fixed to the parking brake lever arm body. A parking brake cable characterized in that the parking brake cable is held by the parking brake lever arm body in a state where the cable is routed along a curved path by routing the cable along the plurality of guide portions. Retention structure. 2. A parking brake cable, wherein a cable fixing portion is integrally formed on a part of the parking brake lever arm body to which one end of the parking brake cable is fixed, and one end of the parking brake cable wired along the plurality of guide portions. The part is inserted and arranged in a rotation-prevented state in a cable accommodating portion composed of the cable fixing portion and the parking brake lever arm supporting stay, whereby the parking brake cable is inserted into the plural guide portions and the cable fixing portion. The parking brake cable holding structure according to claim 1, wherein the parking brake cable holding structure is held. 3. A cable holding piece is integrally formed in at least one area of a part of the parking brake lever arm main body and between the guide parts adjacent to each other, and the parking piece is parked by the cable holding piece. 3. The parking brake cable holding structure according to claim 1, wherein the brake cable is fixedly held in a region between the guide portions.