JP3832524B2 - Brake piping structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a brake piping structure for a vehicle equipped with an ABS device.
[0002]
[Prior art]
Even if a vehicle is suddenly braked on a slippery road surface, the wheels are not locked, and the vehicle is made safe for driving and the ABS and the driving performance are secured. A device (ABS: anti-lock brake system) is mounted. Such an ABS apparatus is roughly composed of an ABS unit (hydraulic unit or ABS actuator), a brake pipe, a computer, and a speed sensor.
[0003]
Of these components, attachment of the ABS unit will be described with reference to FIG. In the figure, reference numeral 1 denotes a vehicle including a side member 2 that is a vehicle body member and an engine 3 mounted under the floor. The ABS unit 4 in the vehicle 1 is attached to the upper part of the right front wheel house in the engine room 5 via an ABS bracket (not shown). In FIG. 8 , reference numeral F indicates the front side of the vehicle 1, reference numeral 6 indicates a transmission, and reference numeral 7 indicates a fuel tank.
[0004]
Although not shown, the ABS unit 4 is generally composed of a solenoid valve, a flow control valve, a pump motor, a reservoir, a pump, a damper, and the like. When the ABS device is activated, the hydraulic pressures of the front and rear wheel cylinders 8 and 9 (see FIG. 9) are controlled by a solenoid valve and a flow control valve linked thereto by a signal from a controller (not shown).
[0005]
Therefore, the ABS unit 4, the front wheel cylinder 8 and the rear wheel cylinder 9 are connected to each other by the metal brake pipe 10 as shown in FIG. The brake pipe 10 connected to the two wheel cylinders 9 on the rear side is connected by a single pipe up to the rear branch portion. This single pipe brake pipe 10 is fixedly supported by a clamp 11 that engages with an appropriate place of the vehicle body, for example, the vehicle body member 2.
[0006]
In the case where a plurality of brake pipes 10 are routed together, the plurality of brake pipes 10 are arranged vertically or horizontally in parallel. In FIG. 9, reference numeral 12 denotes a master cylinder that is provided near the ABS unit 4 and connected to the ABS unit 4.
[0007]
Next, how to attach the ABS unit 4, the brake pipe 10 connected to the ABS unit 4, and the fuel pipe connected to the fuel tank to the vehicle body member 2 will be described. First, a fuel pipe is attached to the vehicle body member 2. After the fuel pipe is attached, a brake pipe 10 is attached to the vehicle body member 2 with a clamp 11. After that, the ABS unit 4 is fixed to the upper part of the right front wheel house in the engine room 5 with a bracket. Then, the brake pipe 10 is fastened and attached to the ABS unit with a flare nut.
[0008]
In addition, there exists what is disclosed by Unexamined-Japanese-Patent No. 5-22215 as a holding structure of piping outside a vehicle. What is disclosed in this publication is that at least one of a plurality of exterior pipes provided on the bottom of the vehicle body so as to face the road surface is covered with a heat insulating material and held by a holder, and the exterior pipe is connected to the road surface. It protects against radiant heat and heat from the engine.
[0009]
Moreover, as a piping method of pipes according to systems such as automobiles, there is one disclosed in JP-A-48-11713. In this publication, a plurality of pipes are formed as a single assembly before being attached to the vehicle body by a clip body that also serves as a fixture for the vehicle body, and this is attached to the vehicle body. It is.
[0010]
[Problems to be solved by the invention]
In the conventional technology described above, when the ABS unit and the brake pipe are assembled to the vehicle body, the ABS unit and the brake pipe are separately assembled to the vehicle body member. This is wiring pathway of the brake pipe, the other components, for example, or have an engine mount, and if part out collision on the side wall and the side wall of the other parts of the body members or are formed, which on the brake pipe This is because the interference of the brake pipe is caused by interference. Therefore, after assembling the brake pipe and the ABS unit separately on the assembly line, they are connected. Therefore, in the assembly line, there is a process of tightening and fixing the brake pipe to the ABS unit, and there is a problem that the work on the line becomes complicated.
[0011]
The exterior piping holding structure disclosed in Japanese Utility Model Laid-Open No. 5-22215 is intended to protect the piping from heat by covering one or more of the plurality of exterior piping provided on the bottom of the vehicle body with a heat insulating material. Therefore, it is not intended to improve workability by avoiding assembly outside the line.
[0012]
In addition, the piping method for each automobile system disclosed in Japanese Patent Laid-Open No. 48-11713 is configured as a single assembly by a clip body that holds a plurality of pipes in parallel, and this is attached to the vehicle body. However, the present invention is not solved because the plurality of pipes are not bent so as not to interfere with each other.
[0013]
The present invention has been made in order to solve the above-described conventional problems. The brake pipe is assembled to the ABS unit and then assembled to the vehicle body, so that the work on the assembly line can be avoided and the mounting position of the ABS unit can be avoided. It is an object of the present invention to provide a brake piping structure in which interference with other parts is eliminated in consideration of wiring of the brake pipe.
[0014]
[Means for Solving the Problems]
According to the first aspect of the present invention, in an automobile in which an engine mount bracket is attached below the vehicle body member and the engine is disposed below the floor, an ABS unit in which a plurality of brake pipes are assembled is attached to the inner wall of the vehicle body member. The brake pipe assembled to the ABS unit is routed along the vehicle body member, and is mounted side by side on the inner wall of the vehicle body member. At the mounting position of the engine mount bracket, the inner wall of the vehicle body member; The plurality of brake pipes are routed in a space between the engine mount bracket and a side wall of the engine mount bracket, and the engine mount bracket is separated from an inner wall of the vehicle body member in the plurality of brake pipes routed in the space. Brake pie routed close to the side wall It is characterized in that there is.
[0015]
Thus, the fuel pipe to the inner wall of the body members is laid, mount the ABS unit assembled with the plurality of brake pipe, the mounting of the ABS unit simultaneously, a plurality of brake pipes connected to the ABS unit Along the fuel pipe, route the car body member and fix it. Further, in this way, among the plurality of brake pipes arranged between the inner wall of the vehicle body member and the side wall of the engine mount bracket, which is another part arranged around the inner wall, A brake pipe passing through the protruding portion on one of the inner wall and the side wall of the engine mount bracket is routed close to the other wall so as to avoid the protruding portion.
[00 16 ]
DETAILED DESCRIPTION OF THE INVENTION
Next, an example of an embodiment of the present invention will be described with reference to FIGS. 1 and 2 with the same reference numerals given to the same members as those in FIGS. In FIG. 1, what is indicated by reference numeral 1 is a vehicle including a side member 2 which is a vehicle body member and an engine 3 installed under the floor. On the inner wall 2a of the side member 2 of the vehicle 1, as shown in FIG. 2, an ABS unit 4 of an ABS device for securing the maneuverability and braking performance of the vehicle 1 is attached on a slippery road surface or the like. . As shown in FIG. 3, the ABS unit 4 is held on the side member 2 by an ABS bracket 13.
[00 17 ]
As shown in FIG. 2, four brake oil brake pipes 10 are connected to the ABS unit 4. These brake pipes 10 are already assembled before the ABS unit 4 is attached to the side member 2 on the assembly line. These brake pipes 10 are arranged on the inner wall 2a of the side member 2 in the same manner along the fuel pipe 14 from the fuel tank 7, which is arranged along the inner wall 2a of the side member 2. It has been searched. The end of the fuel pipe 14 inserted through the side member 2 is connected to the engine 3.
[00 18 ]
In addition, an engine mount bracket 15 made of iron plate, which is another component facing the inner wall 2a of the side member 2, is attached to the side member 2. In the space S between the side wall 15a of the engine mount bracket 15 and the inner wall 2a of the side member 2, two fuel pipes 14 along the side member 2 and four brake pipes 10 are routed. (See FIG. 2).
[00 19 ]
Further, as shown in FIG. 6 in which the portion D of FIG. 2 and FIG. 2 is enlarged, a cross member 16 is disposed on the front side of the vehicle 1 so as to be orthogonal to the side member 2. Four brake pipes 10 that have passed under the cross member 16 are routed along the cross member 16 at the lower part of the front side F. The four brake pipes 10 are held in parallel in the vertical direction by clamps 17.
[00 20 ]
Then, the four brake pipes 10 that have passed the clamp 17 rise from the lower side to the upper side in the direction of separating the cross member 16 and rise to form an upright part 18, and the raised brake pipe 10 reaches the cross member 16. Further, the upper two parts arranged alongside and arranged in parallel in the vertical direction bend so as to cover the cross member 16 in a plan view, and then the four brake pipes 10 are separated from the cross member 16. The vehicle 1 is bent in the forward direction (see also FIG. 7). The bent brake pipe 10 is routed and fixed in parallel in the lateral direction by a clamp 17.
Therefore, in the illustrated embodiment, a plurality of brake pipes 10 along the cross member 16 are routed and fixed in parallel in the vertical direction by the clamp 17 at the lower part of the cross member 16 of the vehicle body , and passed through the clamp 17 . brake pipe 10 may rise goes around in a direction away the cross member 16, by bending the brake pipe 10 which rose up the in the direction away cross member 16, the transverse direction of the brake pipe 10 which is the bent by a clamp 17 Arranged and fixed in parallel .
Thus, the lower portion of the vehicle body of the cross member 16 and along to the cross member 16, and a plurality of which are mutually moved away to the pipe with each other not in contact with the clamp 17, longitudinally parallel laid, is fixed The brake pipe 10 is turned up in the direction in which the cross member 16 is separated at the portion past the clamp 17 to prepare for changing the arrangement direction of the brake pipe 10 . Furthermore, the ramps up brake pipe 10 was bent so as to be separated from the cross member 16, i.e., as the uppermost part of the brake pipe 10 in the longitudinal direction parallel a plurality of the brake pipes 10 are located in the outermost The brake pipes 10 are bent and fixed in parallel in the lateral direction by the clamps 17 .
Therefore, a plurality of brake pipes 10 are slightly separated from each other by the clamp 17 , and the separated brake pipes 10 are turned up in the direction in which the members are separated, and the members are bent so as to be separated. Since the cables are spaced apart by the clamp 17 , when the plurality of brake pipes 10 are bent , mutual interference between the brake pipes 10 can be avoided. Therefore, it is possible to eliminate the attachment of the damage preventing protector attached to the brake pipe 10 . Further, interference between the brake pipe 10 and the member can be avoided.
[00 21 ]
Next, the operation of the brake piping structure according to the present invention will be described. The fuel pipe 14 is routed along the side member 2 on the inner wall 2a of the side member 2, and the ABS unit 4 assembled with the four brake pipes 10 is attached. At the same time that the ABS unit 4 is installed, the four brake pipes 10 assembled are run along the fuel pipe 14 and routed along the inner wall 2a of the side member 2.
[00 22 ]
When four brake pipes 10 are routed through the space portion S between the inner wall 2a of the side member 2 and the side wall 15a of the engine mount bracket 15 attached to the inner wall 2a, and When the projecting portion 19 for attaching the fuel pipe 14 is provided on the inner wall 2a of the side member 2 which is one wall surface, the space portion S is narrow as shown in FIG. Since the lower connecting portion 15b of the engine mount bracket 15 is provided, the brake pipe 10 cannot be disposed below the side member 2.
[00 23 ]
Therefore, of the four brake pipes 10, two of them avoid the projecting portion 19 for attaching the fuel pipe 14 on the inner wall 2a of the side member 2 and close to the side wall 15a of the engine mount bracket 15 which is the other wall surface. It has been routed.
[00 24 ]
In addition, although the example of the wiring of the brake pipe 10 when the protrusion 19 for attachment of the fuel pipe 14 is on the inner wall 2a of the side member 2 is shown, the protrusions of other members are on the side wall 15a of the engine mount bracket 15. In some cases, the brake pipe 10 may be routed close to the inner wall 2a side of the side member 2 while avoiding the protruding portions of the other members.
[00 25 ]
Further, when the brake pipe 10 is routed on the inner wall 2a of the side member 2 where the projecting portion 19 for attaching the fuel pipe 14 is not formed, the brake pipes 10 are vertically arranged as shown in FIG. ing.
[00 26 ]
In addition, along the cross member 16 below the cross member 16 of the vehicle body, the brake pipes 10 are separated by the clamp 17 so as not to contact each other, and the four brake pipes 10 are arranged in parallel in the vertical direction. Fix it. Then, the cross member 16 is turned around in a direction away from the clamp 17 to rise, and the arrangement direction of the brake pipe 10 is changed.
[00 27 ]
Further, the brake pipe 10 that has stood up is routed along the cross member 16, and further, two to three brake pipes 10 arranged in parallel in the vertical direction are bent in a direction to cover the cross member 16. At the same time, it is bent toward the front side F in the direction away from the cross member 16. That is, the brake pipe 10 at the top of the four brake pipes 10 arranged in parallel in the vertical direction is routed to the farthest position from the path so far, and the wrap is reduced in order from the top, and the folds are sequentially made. The bent brake pipe 10 is fixed in parallel in the lateral direction by a clamp 17.
[00 28 ]
【The invention's effect】
The invention described in claim 1, the fuel pipe to the inner wall of the body members is laid, mount the ABS unit assembled with the plurality of brake pipes, the ABS unit mounted simultaneously with, component assembly and a plurality of brake Since the pipe is routed and fixed to the vehicle body member along the fuel pipe, it is possible to eliminate the assembly of the ABS unit and the brake pipe, which has been conventionally performed on the assembly line. Therefore, the field work is simplified and the work becomes easy, and the productivity can be greatly improved. Further, among the multiple brake pipes routed between the inner wall of the vehicle body member and the side wall of the engine mount bracket, which is another part disposed around the inner wall, the inner wall of the vehicle body member and the engine mount The brake pipe that passes through the protrusion on one of the side walls of the bracket is routed to avoid the protrusion, so avoid interference between the brake pipe and the protrusion of the vehicle body member or engine mount bracket. Can do.
[Brief description of the drawings]
FIG. 1 is a top view showing an embodiment of the present invention.
FIG. 2 is a perspective view showing the wiring of a brake pipe connected to an ABS unit to a vehicle body member and a cross member.
3 is a perspective view showing a bracket of the ABS unit shown in FIG. 2. FIG.
4 is a schematic diagram taken along line AA of what is shown in FIG. 2. FIG.
5 is a schematic view taken along line BB of what is shown in FIG.
6 is an enlarged perspective view showing a D portion of what is shown in FIG. 2. FIG.
7 is a C arrow view of what is shown in FIG. 2. FIG.
FIG. 8 is a top view of a vehicle showing the arrangement of a conventional ABS unit.
FIG. 9 is a perspective view showing the arrangement of a conventional ABS unit and the arrangement of a brake pipe.
[Explanation of symbols]
2 Body member 2a Inner wall 4 ABS unit 10 Brake pipe 14 Fuel pipe 15 Engine mount bracket 15a Side wall 16 Cross member 17 Clamp 19 Mounting protrusion

Claims (1)

In a vehicle in which an engine mount bracket is mounted below the vehicle body member and the engine is disposed below the floor, an ABS unit in which a plurality of brake pipes are assembled is attached to the inner wall of the vehicle body member, and the ABS unit is assembled to the ABS unit. A brake pipe is routed along the vehicle body member, and is vertically arranged and mounted on the inner wall of the vehicle body member. The plurality of brake pipes are routed in the space, and the brake pipes routed in the space are routed away from the inner wall of the vehicle body member and close to the side wall of the engine mount bracket. characterized in that there are have brake pipe Rake piping structure.

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