JP2012192764A - Cabling structure of parking brake cable - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cabling structure of a parking brake cable, capable of protecting the parking brake cable to prevent the damage thereof.SOLUTION: As the cabling structure of the parking brake cable 1 cabled below a floor panel of a vehicle body provided with a pair of right and left side frames 4 extending in a vehicle front and back direction and a cross member 7 placed laterally between the side frames 4, a vertical wall 7a opposed to a side wall 4a of the right side frame 4 on a vehicle center side is provided in the cross member 7, a space S1 opened in the vehicle front and back direction is formed between the vertical wall 7a and the side wall 4a of the side frame 4, and the parking brake cable 1 is made to pass through the space S1 in the vehicle front and back direction to cable it.

Description

  The present invention relates to a parking brake cable routing structure that is routed below a floor panel of a vehicle body.

  A parking brake device for applying a predetermined braking force to a parked vehicle includes a parking lever arranged at a substantially central position in the vehicle width direction of the vehicle body or a parking pedal arranged on the driver's seat side and a brake device for left and right rear wheels. Are connected by a flexible parking brake cable. Here, after the parking brake cable is taken out from the parking lever or the parking pedal under the floor panel of the vehicle body, it is routed in the center in the vehicle width direction toward the rear of the vehicle, and then branched to the left and right to extend outward from the vehicle. To the rear of the vehicle and connected to the left and right rear wheel brake devices.

  In a vehicle using an engine as a drive source, a parking brake cable is routed in a floor tunnel through which an exhaust pipe and a propeller shaft pass (see, for example, Patent Document 1).

  By the way, in an electric vehicle using an electric motor as a drive source, a relatively large battery pack is attached to the lower side of the floor panel of the vehicle body, so that the parking brake cable is positioned to be removed from the battery pack mounting position. It is necessary to route it in one direction.

  With regard to a wiring structure such as a parking brake cable in an electric vehicle, Patent Document 2 discloses that a recess is formed in at least one of the upper surface of the floor panel and the battery pack in the vehicle front-rear direction and extends in the vehicle front-rear direction therebetween. A configuration is proposed in which a parts protection chamber is formed, and a parking brake cable or the like is routed in the parts protection chamber in the vehicle front-rear direction.

Japanese Patent No. 4120157 JP 2000-344026 A

  By the way, in an electric vehicle, when the parking brake cable is routed in either the left or right direction avoiding the battery pack, a part of the parking brake cable has conventionally protruded into the battery pack mounting space. There is a possibility that the damaged portion may be pinched and damaged by parts such as a battery pack attached from below.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a parking brake cable routing structure capable of protecting the parking brake cable and preventing the damage thereof.

  In order to achieve the above object, the invention according to claim 1 is routed below a floor panel of a vehicle body including a pair of left and right side frames extending in the vehicle front-rear direction and a cross member horizontally mounted between the side frames. As a parking brake cable routing structure, the cross member is provided with a vertical wall facing the side wall on the vehicle center side of either one of the left and right side frames, and the vehicle between the vertical wall and the side frame side wall. An open space in the front-rear direction is formed, and the parking brake cable is routed through the space in the vehicle front-rear direction.

  According to a second aspect of the present invention, in the first aspect of the present invention, brackets that are fastened and fixed to the lower surfaces of the pair of left and right side frames are respectively formed at the left and right ends of the cross member, The vertical wall is formed by bending the end of the upper part upward.

  According to a third aspect of the present invention, in the second aspect of the present invention, a horizontal main body portion is formed at the upper ends of the left and right vertical walls of the cross member, and the component and the space mounted and fixed to the main body portion from below. One vertical wall of the cross member is arranged between the parking brake cable and the parking brake cable.

  According to the first aspect of the present invention, the parking brake cable is routed in the vehicle front-rear direction in a space formed between the side wall of one of the left and right side frames and the vertical wall of the cross member facing the side wall. As a result, the parking brake cable does not protrude into the mounting space for parts such as a battery pack, and it is possible to prevent the parking brake cable from being damaged by being pinched by the parts when the parts are attached from below. At the same time, the mounting workability of the parts is improved. In addition, since a part of the parking brake cable (part arranged in the space) is protected by the side frame and the cross member, interference with other parts of the part and damage due to flying stones or the like can be prevented.

  According to the second aspect of the present invention, the cross members can be attached to the pair of left and right side frames by tightening and fixing the brackets formed at the left and right ends of the cross member, By bending the end portion upward to form a vertical wall, a space can be easily formed between the vertical wall and the side wall of one side frame facing the vertical wall. In addition, the space formed between the left and right vertical walls of the cross member can be used effectively as a space for arranging parts such as parking brake cables, and the left and right parts of the cross member are protected by the left and right vertical walls of the cross member. can do. Furthermore, since the lower part of the space is blocked by the bracket of the cross member, the parking brake cable routed in the space can be protected from flying stones and the like, and the parking brake cable can be prevented from falling out of the space.

  According to the third aspect of the present invention, since the parts are attached and fixed to the main body from below rather than the vertical wall of the cross member, a space for routing the parking brake cable can be easily formed, and the cross member Therefore, the parts can be attached to the main body of the cross member with good workability without requiring high dimensional accuracy. And the vertical wall of a cross member can prevent interference with the components and parking brake cable at the time of component mounting, and can prevent the parking brake cable from being damaged.

It is a perspective view of the vehicle which shows the wiring state of a parking brake cable. It is the fragmentary perspective view which looked at the vehicle body frame provided with the wiring structure of the parking brake cable which concerns on this invention from diagonally downward. FIG. 3 is an enlarged detail view of a part A in FIG. 2. It is the perspective view which looked at the A section of Drawing 2 from the front slanting lower part. It is the figure which looked at the A section of FIG. 2 from the front. It is a top view of the cross member of a vehicle body frame. It is the BB sectional view taken on the line of FIG.

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

  FIG. 1 is a perspective view of a vehicle showing a state in which a parking brake cable is routed. A vehicle 100 shown in the figure is a one-box type electric vehicle, and a brake pedal is provided on the right side which is a driver's seat side in the passenger compartment. 20, a brake booster 21 for boosting the driver's pedal force applied to the brake pedal 20, a master cylinder 22 driven by the driver's pedal force boosted by the brake booster 21, and the driver steps on the foot Accordingly, a parking brake pedal 23 for performing a parking brake operation is provided.

  The brake pipe 24 extending from the master cylinder 22 is connected to wheel cylinders (not shown) of brake devices 27 and 28 provided on the pair of left and right front wheels 25 and rear wheels 26, respectively, so that the driver steps on the brake pedal 20. Thus, the brake fluid pressure generated in the master cylinder 22 is transmitted to the wheel cylinders of the brake devices 27 and 28 of the front wheel 25 and the rear wheel 26 via the brake pipe 24, and the brake devices 27 and 28 are operated by this brake fluid pressure. Thus, the required braking is applied to the rotation of the front wheel 25 and the rear wheel 26.

  One end of a flexible parking brake cable 1 is rolled around the parking brake pedal 23, and the parking brake cable 1 passes through the opening of the dash panel or floor panel from the parking brake pedal 23. After being taken out under the floor panel (not shown) of the vehicle body, it is routed diagonally toward the right side of the vehicle, and then extends to the rear of the vehicle along the right side in the vehicle width direction. The vehicle is bent at a substantially right angle toward the vehicle side, is bent again at a substantially right angle toward the rear of the vehicle at the center position of the vehicle, extends in the vehicle width direction toward the rear of the vehicle, and an end thereof is connected to the equalizer 2. . The left and right parking brake cables 3 extend from the equalizer 2 to the left and right, and the parking brake cables 3 are bent rearward and connected to the brake devices 28 of the left and right rear wheels 26, respectively. Has been.

  Thus, when the driver depresses the parking brake pedal 23 when the vehicle stops, the pedaling force is applied to the brake devices 28 of the left and right rear wheels 26 via the parking brake cable 1, the equalizer 2, and the two left and right paking brake cables 3. The left and right brake devices 28 are driven to lock the rotation of the rear wheel 26 of the parked vehicle 100, thereby preventing the vehicle 100 from moving.

  Next, the routing structure of the parking brake cable 1 will be described with reference to FIGS.

  2 is a partial perspective view of a vehicle body frame having a parking brake cable routing structure according to the present invention as seen obliquely from below, FIG. 3 is an enlarged detail view of part A in FIG. 2, and FIG. 4 is a front view of part A in FIG. FIG. 5 is a front view of portion A of FIG. 2, FIG. 6 is a plan view of a cross member of the vehicle body frame, and FIG. 7 is a cross-sectional view taken along line BB of FIG.

  As shown in FIG. 2, a pair of left and right side frames 4 extending in the vehicle front-rear direction is provided at the front of the vehicle body, and a front lower cross member 5 extending in the vehicle width direction is provided at the front end of these side frames 4. It is horizontal. Further, cross members 6 and 7 are laid across the front lower cross member 5 between the left and right side frames 4 at an appropriate interval in the vehicle front-rear direction.

  Here, the detailed configuration of the cross member (heater cross member) 7 will be described with reference to FIGS.

  As shown in FIG. 6, the cross member 7 is configured by forming brackets 7B at both left and right ends of a horizontal main body portion 7A having a rectangular frame shape. Specifically, as shown in FIG. 7, end portions on the center side in the vehicle width direction of the bracket 7B formed on the left and right of the main body portion 7A of the cross member 7 are bent upward to form a vertical vertical wall 7a. The horizontal main body 7A having a rectangular frame shape is welded to the upper ends of the left and right vertical walls 7a. As shown in FIG. 6, circular holes 8 are formed in front and rear of the right bracket 7B, and long holes 9 are formed in front and rear of the left bracket 7B.

  Thus, as shown in FIGS. 2 to 5, the cross member 7 has a left and right bracket 7 </ b> B screwed into the circular hole 8 and the long hole 9 formed on the left and right bolts 10. The nuts 11 (see FIG. 5) are fastened and fixed to the lower surfaces of the left and right side frames 4 so as to be horizontally mounted between the left and right side frames 4. Then, as shown in FIG. 5, the side wall 4a of the right side frame 4 in the center in the vehicle width direction and the vertical wall 7a on the right side of the cross member 7 disposed along the side wall 4a so as to face the side wall 4a. A space S1 in which the vehicle front-rear direction (front side and rear side in FIG. 5) is opened is formed between them, and the parking brake cable 1 is routed through the space S1 in the vehicle front-rear direction. As shown in FIGS. 3 and 4, a part of the parking brake cable 1 routed through the space S <b> 1 is fixed to the right side frame 4 by a clamp 12.

  Incidentally, a relatively large battery pack 13 in which a plurality of batteries are incorporated as a power source is mounted on a vehicle 100 that travels using an electric motor as a drive source. This battery pack 13 is a cross member as shown in FIG. 7 is disposed in a space S2 formed between the main body portion 7A and the left and right vertical walls 7a, and is fixedly attached to the lower surface of the main body portion 7A of the cross member 7 from below.

  As described above, in the present embodiment, the parking brake cable 1 is placed in the front and rear of the vehicle in the space S1 formed between the side wall 4a of the right side frame 4 and the vertical wall 7a of the cross member 7 facing the side wall 4a. Since the parking brake cable 1 does not protrude into the mounting space of the battery pack 13, the parking brake cable 1 is mounted when the battery pack 13 is attached to the main body portion 7A of the cross member 7 from below. The occurrence of the problem of being pinched and damaged by the battery pack 13 is prevented, and the mounting workability is improved by functioning as a guide for the mounting work of the battery pack 13. In this case, since a part of the parking brake cable 1 (part arranged in the space S1) is protected by the side wall 4a of the side frame 4 and the vertical wall 7a of the cross member 7, other parts of the part are protected. Damage due to interference with flying stones, etc. is prevented.

  In the present embodiment, the cross member 7 can be attached to the pair of left and right side frames 4 by tightening and fixing the brackets 7B formed at the left and right ends of the cross member 7, and the vehicle of each bracket 7B can be mounted. By bending the end on the center side upward to form the vertical wall 7a, the space S1 can be easily formed between the vertical wall 7a and the side wall 4a of the right side frame 4 facing the vertical wall 7a. . The space S2 formed between the left and right vertical walls 7a of the cross member 7 can be effectively used as a space for arranging the battery pack 13, and the left and right vertical walls of the cross member 7 are used as the left and right sides of the battery pack 13. It can be protected by 7a. In addition, since the lower portion of the space S1 is closed by the bracket 7B on the right side of the cross member 7, the parking brake cable 1 routed in the space S1 can be protected from flying stones and the space of the parking brake cable 1 can be protected. Omission from S1 is prevented.

  Further, in the present embodiment, since the battery pack 13 is attached and fixed to the main body 7A from the lower side instead of the vertical wall 7a of the cross member 7, the space S1 for routing the parking brake cable 1 can be easily formed. In addition, the battery pack 13 can be attached to the main body portion 7A of the cross member 7 with good workability without requiring high dimensional accuracy for the cross member 7. And when the vertical wall 7a of the cross member 7 attaches the battery pack 13, in order to prevent the battery pack 13 and the parking brake cable 1 from interfering with each other, the parking brake cable 1 is prevented from being damaged by the interference with the battery pack 13. .

  In the above embodiment, the embodiment in which the present invention is applied to the wiring structure of the parking brake cable extending from the stepping type parking brake pedal has been described. However, the present invention is a manual operation that is manually operated by the driver. Needless to say, the present invention is also applicable to a parking brake cable routing structure extending from a parking brake lever of the type.

1, 3 Parking brake cable 4 Side frame 4a Side frame side wall 7 Cross member 7A Cross member main body 7B Cross member bracket 7a Cross member vertical wall 10 Bolt 11 Nut 13 Battery pack (parts)
23 Parking brake pedal 27, 28 Brake device 100 Vehicle S1, S2 Space

Claims (3)

A parking brake cable routing structure that is routed below a floor panel of a vehicle body that includes a pair of left and right side frames extending in the vehicle front-rear direction and a cross member horizontally mounted between the side frames,
The cross member is provided with a vertical wall that faces the side wall of the vehicle center side of either one of the left and right side frames, and an open space in the vehicle front-rear direction is formed between the vertical wall and the side frame side wall. A parking brake cable routing structure, wherein the parking brake cable is routed through the space in the vehicle longitudinal direction.   Brackets that are fastened and fixed to the lower surfaces of the pair of left and right side frames are formed on the left and right ends of the cross member, respectively, and the vertical wall is formed by bending the end of the bracket on the vehicle center side upward. The wiring structure of the parking brake cable according to claim 1. A horizontal main body is formed at the upper ends of the left and right vertical walls of the cross member, and the cross member is mounted between a part fixedly attached to the main body from below and a parking brake cable routed in the space. 3. The parking brake cable routing structure according to claim 2, wherein one of the vertical walls is arranged.

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