JP2592721Y2 - Automotive fuel passage mounting structure - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a fuel passage mounting structure for a motor vehicle, and more particularly, a suspension arm for supporting a wheel so as to be vertically movable is mounted on a pair of left and right frame members extending in the longitudinal direction of the vehicle. And a fuel passage mounting structure for an automobile in which a fuel pipe is disposed along one frame member.

[0002]

2. Description of the Related Art Various pipes, such as a fuel pipe and a hydraulic pipe for supplying and discharging hydraulic pressure to and from a brake device for each wheel, are disposed at the bottom of a vehicle body. Therefore, various protection measures have been taken conventionally. For example, according to Japanese Utility Model Laid-Open No. 63-101283, various pipes are arranged along a side vertical wall of a member having a box-shaped closed cross-section and extending in the front-rear direction of the vehicle body. The lower portion of the wall is extended in the vehicle width direction to form an overhang portion, and the overhang portion covers the pipes from below so as to protect them from stepping stones and the like, thereby preventing damage to the pipes. Automotive member structures have been proposed.

[0003]

By the way, in an automobile having an engine mounted on a front portion of a vehicle body, the engine, a transmission integrated therewith, and various auxiliary devices arranged around the engine body are not used. In order to properly arrange the fuel pipe while avoiding interference, the fuel pipe led from the fuel tank side to the engine body side is placed along the engine room side wall of the dash panel that separates the engine room from the vehicle interior Usually, the tip of a fuel pipe led to the front of the vehicle body through the dash panel is connected to the engine body.

On the other hand, the engine body disposed in the engine room is supported by a pair of left and right frame members disposed below the engine room and extending in the front-rear direction of the vehicle body via a support member such as a mount member. In some cases, one end of a suspension arm that supports the wheels so as to be able to move up and down is swingably supported by the left and right frame members. The frame members impart the required strength and rigidity to the vehicle body and can be used in a collision. In this configuration, when a large load equal to or more than a predetermined value acts from the front of the vehicle body, the left and right frame members are configured to compressively deform rearward of the vehicle body so as to effectively absorb the large load. For this reason, when a large load is applied to the left and right frame members from the front of the vehicle body, the engine body and the suspension arm supported by the frame members are retracted. When a fuel pipe is connected from the dash panel side that separates the interior of the room and the interior of the vehicle to the engine main body side, a displacement occurs between the fuel pipe and the engine main body, and the fuel pipe is displaced from the engine main body side. There is a possibility that the fuel pipe is sandwiched between the dash panel and the engine or the suspension arm that is disengaged or retreats, and the fuel pipe is greatly deformed, which may cause an inconvenience.

Accordingly, the present invention is directed to a case where a fuel pipe is provided along one of a pair of left and right frame members extending in the front-rear direction of the vehicle body. It is an object of the present invention to provide a fuel passage mounting structure for an automobile which can prevent the fuel pipe from being detached from the engine body side or the fuel pipe from being deformed even when the large load acts.

[0006]

Means for Solving the Problems In order to solve the above-mentioned problems, the present invention is characterized in that it is configured as follows.

First, a device according to claim 1 of the present application (hereinafter referred to as “device”)
According to the first invention), a suspension arm for vertically supporting a wheel is swingably attached to a pair of left and right frame members extending in the vehicle longitudinal direction, and a fuel pipe is arranged along one of the frame members. In the installed fuel passage mounting structure of the vehicle, the suspension arm is formed into a forked shape having a front arm portion and a rear arm portion extending toward the vehicle body inward from the vehicle body outer end connected to the wheel side, respectively. In addition, the end of each of these arm portions is swingably attached to a suspension arm attachment portion provided on the frame member, and the engine body is supported via a support member between the suspension arm attachment portions of the frame member. And the fuel pie between the suspension arm mounting portions of one of the frame members. It is fixed and is characterized in that to connect the end of the fuel pipe extending from the fixing unit to the engine body.

[0008] Further, the invention according to claim 2 of the present application (hereinafter, referred to as the invention)
Similar to the first invention, similar to the first invention, a fuel pipe is provided along one of a pair of left and right frame members to which a suspension arm for supporting a wheel in a vertically movable manner is swingably attached. And a pair of front and rear cross members disposed in the vehicle width direction between the pair of left and right frame members, and both ends of the cross member are connected to the frame members. The arm has an upper arm and a lower arm, and each arm has a forked shape having a front arm portion and a rear arm portion extending toward the vehicle body inward from the vehicle body outer end connected to the wheel side, respectively. The end of each arm in the upper arm can be swung to the upper arm mounting part provided on the frame member. Mounting, and the ends of the arms of the lower arm is attached pivotably on either side of the pair of front and rear cross members to support the engine body via a support member between the upper arm attaching portion of the frame member The fuel pipe is fixed between the cross member connecting portions of the frame member, and an end of the fuel pipe extending from the fixing portion is connected to the engine body.

Further, the invention according to claim 3 of the present application (hereinafter referred to as “device”)
The third invention) is characterized in that the fuel pipe is fixed between the upper arm mounting portions of the frame member in the second invention and the end of the fuel pipe extending from the fixing portion is connected to the engine body.

[0010]

According to the above-mentioned inventions, the following effects can be obtained.

According to a first aspect of the present invention, each end of a front arm portion and a rear arm portion of a bifurcated suspension arm is attached to a suspension arm attachment portion provided on a frame member, and the frame is mounted on the frame. Since the engine body is supported between the suspension arm attachment portions of the member via the support member, the rigidity between the suspension arm attachment portions is configured to be higher than other portions of the frame member. The fuel pipe is fixed between the suspension arm mounting portions of the one frame member having the increased rigidity, and the end of the fuel pipe extending from the fixing portion is connected to the engine body side. the times the frame member large load of a predetermined value or more acts, retracted without inter stiffer suspension arm attachment portion of the frame member is deformed from the front of the vehicle body in such,
As a result, the engine body, the suspension arm, and the fuel pipe attached between the suspension arm attachment portions are retracted in synchronization with each other, so that the mutual displacement of the engine body and the fuel pipe is prevented, and The fuel pipe is prevented from being detached from the side, and the fuel pipe is prevented from being deformed by being sandwiched between the suspension arm and the engine body.

According to the second invention, similarly to the first invention, each end of the front arm portion and the rear arm portion of the bifurcated upper arm is respectively attached to the upper arm mounting portion provided on the frame member. Both ends of a pair of front and rear cross members to which the engine body is supported via a support member between the upper arm mounting portions of the frame member via a support member, and to which the respective ends of the front arm portion and the rear arm portion of the lower arm are mounted. Is connected to the frame member, the rigidity between the cross member connecting portions in the frame member is configured to be higher than that of other parts of the frame member. Further, the fuel pipe is fixed between the cross member connecting portions of the one frame member having the increased rigidity, and the end of the fuel pipe extending from the fixing portion is connected to the engine main body side. When a large load equal to or more than a predetermined value acts on the frame member from the front of the vehicle body, the space between the highly rigid cross member connecting portions of the frame member retreats without deformation, and as a result, the engine body, the suspension arm and the fuel The pipes are retracted in synchronization with each other, thereby preventing the mutual displacement of the engine body and the fuel pipe, preventing the fuel pipe from being detached from the engine body side, and the fuel pipe being connected to the suspension arm or the like. Deformation by being pinched by the engine body is prevented.

In particular, according to the third invention, the end of each arm of the upper arm is directly attached, and the engine body and the fuel pipe are attached between the upper arm attachment portions of the most rigid frame member. When a large load equal to or more than a predetermined value acts on the frame member from the front of the vehicle body at the time of a collision or the like, the engine body, the suspension arm, and the fuel pipe surely retreat synchronously, and the fuel pipe comes off. The deformation of the fuel pipe is more reliably prevented.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1 and 2 are a schematic plan view and a front view, respectively, showing a front portion of a vehicle body to which a fuel passage mounting structure according to the present invention is applied. As shown in FIG. A main body 2 and a transmission 3 integrated therewith are arranged, and a cooler condenser 4 is provided in front of the engine main body 2.
A radiator 5 and a radiator fan 6 are arranged. A crank pulley 7a that rotates integrally with the crankshaft 7 is attached to a tip end of a crankshaft 7 that protrudes forward from a front wall 2a of the engine body 2 and is driven to rotate by the crank pulley 7a. Various auxiliary machine driving pulleys 8a to 8d are provided.

A pair of left and right frame members 9 having a closed cross section extending in the front-rear direction of the vehicle body are disposed on both sides of the vehicle body 1.
The engine body 2 is supported by 9. That is, at predetermined positions on both side walls 2b, 2b of the engine body 2,
A pair of left and right engine-side mounting brackets 10, 10 are fixedly provided, respectively, and predetermined positions of inner side surfaces 9a, 9a of the left and right frame members 9, 9 correspond to the engine-side mounting brackets 10, 10, respectively. A pair of left and right frame-side mounting brackets 11, 11 are fixedly provided, and the respective brackets 10, 11 are connected by engine mounting members 12, 12 made of rubber or the like provided between them. The engine body 2 is elastically supported by left and right frame members 9, 9 via engine mount members 12, 12.

On the other hand, on both sides of the engine body 2,
A pair of left and right upper arms 14 and 14 and lower arms 15 and 15 for supporting the left and right front wheels 13 and 13 so as to be vertically swingable with respect to the vehicle body 1 are arranged in the vehicle width direction. Is formed in a forked shape having a front arm portion 14b and a rear arm portion 14c extending inward from the vehicle body outside end 14a side connected to the upper end portion of the knuckle arm 16 for rotatably supporting the vehicle. Similarly to the upper arm 14, the lower arms 15 extend forward from the outer end 15a of the knuckle arm 16 that rotatably supports the front wheel 13 to the inward side of the vehicle body. It has a forked shape having an arm portion 15b and a rear arm portion 15c.

The front arms 14b of the upper arms 14 and the ends 14 of the rear arms 14c are provided.
b ', 14c' are swingably supported by upper arm mounting brackets 17a, 17b fixed to a pair of left and right frame members 9, 9, and the front arm 1
The mounting position of the upper arm mounting bracket 17a that supports the end 14b 'of the frame 4b is set near the mounting portion of the frame-side mounting bracket 11 in the frame member 9.

A pair of front and rear cross members 18 and 19 extending in the vehicle width direction at predetermined intervals in the front and rear direction are disposed below the engine body 2.
The front cross member 18 is disposed in the vehicle width direction at a position in front of the frame side mounting brackets 11 and 11 and the upper arm mounting brackets 17a and 17a attached to the frame members 9 and 9, and the rear cross member 19 is It is arranged in the vehicle width direction at a position behind the upper arm mounting brackets 17b, 17b mounted on the frame members 9, 9.

As shown in FIGS. 2 and 3, both sides of the cross members 18 and 19 in the vehicle width direction are bent upward and connected to the lower surfaces of the pair of left and right frame members 9 and 9, respectively. Openings 18a, 18a and 19a, 19a are formed on both sides of the cross members 18, 19, respectively. The front arms 15b of the lower arms 15 and the openings 18a, 18a and 19a, 19a are formed in the openings 18a, 18a and 19a, 19a, respectively. Ends 15b ', 15 of rear arm 15c
c 'is swingably supported.

In this embodiment, as shown in FIGS. 1 to 3, a fuel pipe 20a is connected to a fuel tank (not shown) arranged at the rear of the vehicle body 1 and to the engine body 2 side. , 20b are disposed in the vehicle longitudinal direction along the inner side surface 9a of one of the pair of left and right frame members 9, 9 and guided to the front of the vehicle body. , 20b are the upper arm mounting brackets 17 of the frame member 9.
a, 17b are inserted through a holding member 21 fixed between the mounting portions of the fuel pipes 20a and 17b, and the tip ends 20a 'and 20b' (see FIG. 3) of the fuel pipes 20a and 20b extending upward from the holding member 21 It is connected to the.

One of the fuel pipes 20a and 20b is a fuel pipe constituting a fuel supply passage, and the other is a fuel pipe constituting a return passage. Although not shown, front wheels 13, 13 are provided between the lower arms 15, 15 and the frame members 9, 9 or the vehicle body 1.
A coil spring or damper is provided to reduce or quickly attenuate the transmission of vibration or impact from the vehicle side to the vehicle body 1.

According to the above configuration, the ends 14b 'and 14c' of the front arm 14b and the rear arm 14c of the bifurcated upper arm 14 are
Arm mounting brackets 17a, 17 fixed to
b and the frame member 9
The engine body 2 is supported on the mounting portion of the upper arm mounting bracket 17a via the frame-side mounting bracket 11, and the front arm portion 15b and the rear arm portion 15c of the lower arm 15 have respective ends 15c.
b ', 15c', a pair of front and rear cross members 1
Since both end portions of the frame members 9 and 9 are connected to the lower surfaces of the frame members 9 and 9, respectively, the rigidity between the connecting portions of the cross members 18 and 19 in the frame member 9 is reduced.
Will be configured higher than the other parts. The fuel pipe 20 is connected between the connecting portions of the cross members 18 and 19 in the one frame member 9 having the increased rigidity.
a and 20b are fixed via the holding member 21;
Fuel pipes 20a, 2 extending upward from the holding member 21
0b are connected to the engine body 2 side, so that when a large load of a predetermined value or more acts on the frame member 9 from the front of the vehicle body at the time of a collision or the like,
The connection between the connection members of the cross members 18 and 19 having increased rigidity in the frame member 9 retreats without being deformed. As a result, the holding member 21 holding the engine body 2, the upper arm 14, and the fuel pipes 20 a and 20 b is moved. By retreating synchronously, the mutual displacement of the engine main body 2 and the fuel pipes 20a, 20b is prevented, and the fuel pipes 20a, 20b are prevented from coming off from the engine main body 2 side. , These fuel pipes 20
The a and 20b are reliably prevented from being deformed by being caught by the upper arm 14 and the engine body 2.

In particular, in this embodiment, the front arm 14a and the rear arm 14
Since the engine body 2 and the fuel pipes 20a and 20b are mounted between the upper arm mounting brackets 17a and 17b of the frame member 9 having the highest rigidity to which the ends 14a 'and 14b' of the b are directly mounted, a collision occurs. When a large load equal to or more than a predetermined value acts on the frame member 9 from the front of the vehicle body, the engine body 24, the upper arm 14, and the fuel pipes 20a and 20b are reliably retracted in synchronization with each other, and these fuel pipes 2
Detachment and deformation of Oa and 20b are more reliably prevented.

In this embodiment, the front wheels 13, 1
3 is applied to a vehicle equipped with a double wishbone type suspension device having an upper arm 14 and a lower arm 15 that respectively support the upper arm 14 and the lower arm 15 so as to be able to move up and down. The vehicle fuel passage mounting structure according to the present invention can be applied to a vehicle having a strut-type suspension device composed of a coil spring and a damper. In this case, the lower arm has a forked shape. The same operation and effects as those of the present embodiment can be obtained by attaching the end of the fuel pipe to the frame member, fixing the fuel pipe between the mounting portions, and connecting the fuel pipe extending from the fixed portion to the engine body side. become.

[0026]

As described above, according to the invention] According to the first invention, sometimes a large load greater than a predetermined value in the frame member from the front of the vehicle body at the collision or the like acts, between high rigidity suspension arm attachment portion of the frame member Retreats without being deformed, and as a result, the engine body, the suspension arm and the fuel pipe attached between the suspension arm attachment portions retreat synchronously, and the mutual positions of the engine body and the fuel pipe are changed. The displacement prevents the fuel pipe from being detached from the engine body side, and prevents the fuel pipe from being deformed by being caught by the suspension arm or the engine body.

Further, according to the second invention, sometimes a large load greater than a predetermined value in the frame member from the front of the vehicle body at the collision or the like acts, without inter-cross member connection portion with high rigidity of the frame member is deformed As a result, the engine body, the suspension arm, and the fuel pipe retreat synchronously, and the mutual displacement between the engine body and the fuel pipe is prevented, and the fuel pipe comes off from the engine body side. And the fuel pipe is prevented from being deformed by being sandwiched between the suspension arm and the engine body.

In particular, according to the third invention, the end of each arm portion of the upper arm is directly attached, and the engine body and the fuel pipe are attached between the upper arm attachment portions of the most rigid frame member. sometimes large load greater than a predetermined value than the front of the vehicle body to the frame member at the collision or the like acts, surely become the engine body and the suspension arm and the fuel pipe is retracted synchronously, fuel pipes out or deformation Can be more reliably prevented.

[Brief description of the drawings]

FIG. 1 is a schematic plan view of a vehicle body front portion of an automobile to which a fuel passage mounting structure according to the present invention is applied.

FIG. 2 is a schematic front view of a front portion of the vehicle body as viewed from a line AA in FIG.

FIG. 3 is an enlarged sectional view of a main part showing the fuel passage mounting structure as viewed from the line BB in FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Body 2 Engine body 9 Frame member 10 Engine side mounting bracket 11 Frame side mounting bracket 12 Engine mounting member 13 Front wheel 14 Upper arm 14b Front arm part 14c Rear arm part 15 Lower arm 15b Front arm part 15c Rear arm part 17a, 17b Upper arm mounting bracket 18, 19 cross member 20a, 20b fuel pipe 21 holding member

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int. Cl. ⁶ , DB name) B62D 21/00 B62D 21/11 B62D 21/17

Claims (3)

(57) [Scope of request for utility model registration] A suspension arm for vertically supporting a wheel is swingably attached to a pair of left and right frame members extending in the vehicle longitudinal direction, and a fuel pipe is disposed along one of the frame members. A fuel passage mounting structure for an automobile, wherein the suspension arm has a forked shape having a front arm portion and a rear arm portion each extending toward the vehicle body inward from the vehicle body outer end connected to the wheel side, The end of each of these arm portions is swingably attached to a suspension arm attachment portion provided on the frame member, and the engine body is supported via a support member between the suspension arm attachment portions of the frame member. Is supported, and the fuel path is provided between the suspension arm mounting portions of one of the frame members. A fuel passage mounting structure for an automobile, wherein the pipe is fixed and an end of a fuel pipe extending from the fixing portion is connected to the engine body side. 2. A pair of left and right frame members extending in the front-rear direction of a vehicle body are swingably mounted with a suspension arm for supporting wheels vertically, and a fuel pipe is arranged along one of the frame members. A fuel passage mounting structure for an automobile, comprising a pair of front and rear cross members disposed in the vehicle width direction between the pair of left and right frame members, and both ends of the cross members are respectively connected to the frame members. The forearm has an upper arm and a lower arm, and each arm has a forked shape having a front arm portion and a rear arm portion extending toward the vehicle body inward from the vehicle body outer end connected to the wheel side, respectively. The end of each arm is swingable to the upper arm mounting part provided on the frame member. Attached, and with the ends of the arms of the lower arm is swingably attached to each side of the pair of cross members before and after the, via a support member between the upper arm attaching portion of the frame member engine A main body is supported, the fuel pipe is fixed between the cross member connecting portions of the frame member, and an end of the fuel pipe extending from the fixing portion is connected to the engine main body. Vehicle fuel passage mounting structure. 3. The vehicle according to claim 2, wherein a fuel pipe is fixed between the upper arm mounting portions of the frame member, and an end of the fuel pipe extending from the fixing portion is connected to the engine body. Fuel passage mounting structure.