JP2010018105A - Parking brake for vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a parking brake for a vehicle that enables the length of a brake cable to be adjusted in a vehicle cabin easily in a short time. <P>SOLUTION: The parking brake for a vehicle includes a brake lever 3, a cable guide 6 mounted on one side face 3a of the brake lever 3, and a brake-cable-length adjustment mechanism 7 that enables adjustment of a lever stroke of the brake lever 3. The brake-cable-length adjustment mechanism 7 is composed of a cable-end holding member 5 that fixes one end 4A of the brake cable 4, a slope 13 that guides the cable-end holding member 5 slidably in downward and rearward directions of the vehicle, and that is formed on the cable guide 6, and an adjusting bolt 14 that adjusts the length of the brake cable by sliding the cable-end holding member 5 placed on the slope 13 along the same. Depending on the slide amount of the cable-end holding member 5 that is slid along the slope 13 when pressed by the adjusting bolt 14, the length of the brake cable 4 is adjusted. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a parking brake device for a vehicle, and more particularly, to a technique that allows a brake cable length to be easily adjusted from a vehicle interior.

As a technique for adjusting the pulling allowance of the brake lever by extending the brake cable, etc., an arcuate cable guide portion centered on the pivot shaft is provided on one side of the brake lever body pivotally supported by the base plate, There is a technique in which an adjustment bolt is coupled to an end portion of a brake cable arranged along the cable guide portion, and the length of the brake cable is adjusted by screwing the adjustment bolt with a nut (for example, described in Patent Document 1) ).
No. 6-2852

  By the way, depending on the underfloor structure of the vehicle and the mounting position of the parking lever, the routing route of the brake cable is limited by them, and the direction of the adjustment bolt must be arranged toward the rear of the vehicle.

  In particular, in a vehicle having a partition wall between the driver's seat and the luggage compartment or the loading platform, since the partition wall exists immediately after the parking lever, it is difficult to tighten or loosen the adjustment bolt. Therefore, it is conceivable to provide a cable length adjustment structure in the lower part of the vehicle floor. However, in this case, the adjustment work cannot be performed without lifting the vehicle, and a lot of time is required for the work.

  Accordingly, an object of the present invention is to provide a parking brake device for a vehicle that can easily adjust the length of a brake cable from a passenger compartment in a short time.

  In the vehicle parking brake device of the present invention, a cable end holding member that holds one end portion of a brake cable, which is disposed on a slope provided on a brake lever, is slid downward along the slope to the rear of the vehicle. Slide adjusting means for adjusting the height is provided.

  According to the vehicle parking brake device of the present invention, the slide lever provided in the passenger compartment is provided with the slide adjusting means for adjusting the brake cable length, so that the slide adjusting means can be accessed from the passenger compartment. By operating the slide adjusting means and sliding the cable end holding member arranged at the slope along the slope, the brake cable length can be adjusted easily and in a short time according to the slide amount. .

  Hereinafter, specific embodiments to which the present invention is applied will be described in detail with reference to the drawings.

“First Embodiment”
First, the configuration of the vehicle parking brake device of the first embodiment will be described. 1 is a perspective view of the vehicle parking brake device of the first embodiment, FIG. 2 is a side view of FIG. 1, FIG. 3 is an enlarged perspective view of a main part of a portion where the slide adjusting means portion of FIG. FIG. 6 is a side view of the vehicle parking brake device when the cable end holding member is slid downward along the slope to adjust the brake cable length.

  As shown in FIGS. 1 to 3, the parking brake device for a vehicle according to the present embodiment is attached to a base plate 1 fixed to a vehicle floor panel or the like, and to the base plate 1 so as to be rotatable about a support shaft 2. The brake lever 3, the cable guide 6 that guides the brake cable 4, and the brake cable length adjustment mechanism 7 that adjusts the length of the brake cable 4 are configured.

  The base plate 1 is a base that is fixed to, for example, a vehicle floor panel and is erected so as to extend upward of the vehicle. A cable fixing member 8 is attached to the base plate 1 for fixing the brake cable 4 routed forward from the brake device mounted on the rear wheel.

  The brake lever 3 is rotatably attached to a support shaft 2 provided at a position near the tip of the base plate 1. The side on which the brake lever operation button 9 provided at the tip of the brake lever 3 is provided is the vehicle front FR, and the opposite side is the vehicle rear RR. The brake lever 3 rotates around the support shaft 2 by pivotally supporting a base end side portion opposite to the side on which the brake lever operation button 9 is provided on the support shaft 2.

  The cable guide 6 is provided on one side surface 3a of the base end side portion of the brake lever 3, and is fixed to the one side surface 3a by welding or the like. The cable guide 6 is formed with a cable housing portion 10 for guiding the brake cable 4 by winding it in an arc shape. This cable housing portion 10 guides the brake cable 4 so that one end portion 4A of the brake cable 4 routed from the brake device attached to the rear wheel to the vehicle front FR is U-turned toward the vehicle rear RR. .

  The brake cable length adjusting mechanism portion 7 is formed on the cable end holding member 5 that fixes one end portion 4A of the brake cable 4 and the cable guide 6 that guides the cable end holding member 5 slidably downward in the vehicle rear direction. It comprises a slope 13 and slide adjusting means for adjusting the length of the brake cable by sliding the cable end holding member 5 disposed on the slope 13 along the slope 13.

  The cable end holding member 5 has a locking portion 11 formed as a notch for fixing the one end portion 4 </ b> A of the brake cable 4. The cable end holding member 5 is formed by bending a metal piece punched into a predetermined shape into a U-shaped cross section, and has a top plate portion 5A and side plate portions 5B standing on both sides of the top plate portion 5A. 5C. The side plate portions 5B and 5C have a substantially trapezoidal shape when viewed from the side, and the tip portion on the opposite side to the connecting portion with the top plate portion 5A is inclined. The inclined end surface of the tip portion becomes a slide surface 12 that comes into sliding contact with a slope described later formed in the cable guide 6.

  The slope 13 is provided at the exit portion of the cable housing 10 and is an inclined surface that forms a straight line that slopes downward toward the vehicle rear RR. The slide surface 12 which is the lower surface of the cable end holding member 5 is in sliding contact with the inclined surface 13.

  The slide adjusting means is provided directly above the cable accommodating portion 10 on the outlet side where the slope 13 is provided. The slide adjusting means is fixed to an adjustment bolt 14 that pushes the top plate portion 5A of the cable end holding member 5 disposed on the slope 13 downward from above, and a bolt mounting portion 15 to which the adjustment bolt 14 is attached. Nylon lock nut 16.

  The bolt attachment portion 15 is formed as an overhang directly above the cable housing portion 10 and is integrated with the cable guide 6. The adjustment bolt 14 attached to the bolt attachment portion 15 is screwed with a nylon lock nut 16 fixed to the back surface of the bolt attachment portion 15 so that the attachment position can be adjusted. For example, when the adjustment bolt 14 is screwed, the tip of the adjustment bolt 14 enters the back side and pushes the cable end holding member 5 downward. On the contrary, when the adjustment bolt 14 is loosened, the tip of the adjustment bolt 14 comes out from the back side, and the downward pressing force against the cable end holding member 5 is weakened.

  By tightening the adjustment bolt 14, the bolt end pushes the cable end holding member 5 downward, and the cable end holding member 5 is slid downward along the slope 13 with the pressing force at that time. Is possible. When the cable end holding member 5 slides along the slope 13 downward in the vehicle rear direction, the brake cable 4 fixed to the cable end holding member 5 is pulled.

  Next, the brake cable length adjustment work of the brake cable 4 by the vehicle parking brake device configured as described above will be described.

  The brake cable length adjustment work is performed from directly above the brake lever 3 from inside the vehicle. When the allowance of the brake lever 3 is large, the adjusting bolt 14 is screwed in using, for example, a wrench or a spanner. Then, the adjustment bolt 14 is screwed in to the back, and the bolt tip pushes the cable end holding member 5 downward. In response to the pressing force from the adjusting bolt 14 at this time, the cable end holding member 5 slides downward in the vehicle rearward direction along the slope 13 as shown in FIG.

  As the cable end holding member 5 slides rearward and downward in the vehicle, the brake cable 4 having one end 4A fixed to the cable end holding member 5 is pulled. As a result, the brake cable 4 that has been slackened is tightened tightly and the pulling margin of the brake lever 3 is adjusted.

  When the pulling margin of the brake lever 3 is small, the adjustment bolt 14 is turned in the direction opposite to the previous direction to reduce the pressing force to the cable end holding member 5. Then, the brake cable 4 is pulled back, and the cable end holding member 5 is slid along the slope 13 upward in the front of the vehicle to increase the pulling margin of the brake lever 3.

  According to the vehicle parking brake device of the first embodiment configured as described above, the slide lever (adjustment bolt 14 and nylon lock nut 16) for adjusting the brake cable length is applied to the brake lever 3 provided in the vehicle interior. Etc.), the adjustment bolt 14 can be accessed from the vehicle interior, and the adjustment bolt 14 is operated to slide the cable end holding member 5 disposed on the slope 13 along the slope 13. Thus, the brake cable length can be adjusted easily and in a short time according to the sliding amount of the cable end holding member 5. That is, since the brake cable length adjustment work can be performed from the inside of the vehicle, it is not necessary to perform the troublesome work of lifting the vehicle and the vehicle assembly and maintenance work can be simplified.

  Further, according to the vehicle parking brake device of the first embodiment, the slope 13 and the slide adjusting means are provided integrally with the cable guide 6 attached to the brake lever 3, so that the adjustment with the cable end holding member 5 is performed. The position accuracy with respect to the bolt 14 can be easily obtained, and the cost can be reduced by suppressing the increase in the number of parts.

  Further, according to the vehicle parking brake device of the first embodiment, the slide adjusting means is provided at the upper end of the cable guide 6 so as to be adjustable from above the brake lever 3 in the vehicle interior. Even if the vehicle has a partition wall between the room and the loading platform, the adjustment bolt 14 can be easily operated to adjust the brake cable length.

“Second Embodiment”
FIG. 5 shows a second embodiment, and is an enlarged perspective view of a main part of a portion where a slide adjusting means portion having an arcuate slope for sliding the cable end holding member is provided.

  In the second embodiment, the inclined surface 13 on which the cable end holding member 5 is slid is not a straight line but an arc shape that curves downward in the rear of the vehicle, and the slide surface 12 of the cable end holding member 5 is also matched to the arc shape. The arc shape matches this.

  According to this embodiment, the brake cable 4 is pulled in an arc along the shape of the slope 13 together with the cable end holding member 5 when the brake lever 3 has a large allowance and the adjustment of the brake cable length proceeds. The effect that the brake cable 4 becomes difficult to bend can be obtained.

  Although specific embodiments to which the present invention is applied have been described above, the above-described embodiments are merely examples of the present invention, and the present invention is not limited to these embodiments.

FIG. 1 is a perspective view of the vehicle parking brake device of the first embodiment. FIG. 2 is a side view of FIG. FIG. 3 is an enlarged perspective view of a main part of a portion where the slide adjusting means portion of FIG. 1 is provided. FIG. 4 is a side view of the parking brake device for a vehicle when the cable end holding member is slid downward along the slope to adjust the brake cable length. FIG. 5 shows a second embodiment, and is an enlarged perspective view of a main part of a portion where a slide adjusting means portion having an arcuate slope for sliding the cable end holding member is provided.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Base plate 2 ... Supporting shaft 3 ... Brake lever 4 ... Brake cable 5 ... Cable end holding member 6 ... Cable guide 7 ... Brake cable length adjustment mechanism part 8 ... Cable fixing member 10 ... Cable accommodating part 11 ... Locking part 12 ... Slide surface 13 ... Slope 14 ... Adjustment bolt (slide adjustment means)
15 ... Bolt mounting part (slide adjusting means)
16 ... Nylon lock nut (slide adjusting means)

Claims (4)

A brake lever pivotally attached to the base plate;
A cable end holding member for holding one end of the brake cable;
A slope provided on the brake lever for slidably guiding the cable end holding member downward and rearward of the vehicle;
Slide adjusting means provided on the brake lever and configured to adjust the brake cable length by sliding the cable end holding member disposed on the slope along the slope;
A parking brake device for a vehicle. The vehicle parking brake device according to claim 1,
The vehicle parking brake device, wherein the slope and the slide adjusting means are integrated with a cable guide attached to the brake lever. The vehicle parking brake device according to claim 2,
The vehicle parking brake device, wherein the slide adjusting means is provided at an upper end portion of the cable guide so as to be adjustable from above the brake lever in the vehicle. It is a parking brake device for vehicles given in any 1 paragraph of Claims 1-3,
The vehicular parking brake device, wherein the inclined surface is an inclined surface inclined downward in the rear of the vehicle or an arc-shaped inclined surface.

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