JPH10318063A - Pipe support structure - Google Patents

Abstract

(57) [Problem] To provide a pipe support structure capable of easily and reliably mounting and supporting a pipe. SOLUTION: An inner supporting member 18 for supporting a breather pipe 4 in a detachable manner is provided on an inner side wall 7 of an inner side wall 7 and an outer side wall 8 of the pipe supporting frame 6 which are spaced apart from each other.
The outer wall 8 is provided with an outer support member 23 to which the breather pipe 4 is fixed, which is detachably provided, and the breather pipe 4 is penetrated from the outer wall 8 to the inner wall 7,
It was supported on a pipe supporting frame 6.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a pipe support structure for supporting a pipe such as a breather pipe connected to a fuel tank for a vehicle, for example.

[0002]

2. Description of the Related Art Conventionally, a structure for supporting a breather pipe connected to a vehicle fuel tank has been disclosed in Japanese Utility Model Application Laid-Open No. 54-17 / 1979.
What is disclosed in 6969 gazette is publicly known. This is because a pipe insertion hole is provided in an inner wall near the fuel tank of a floor side member located at an upper part of a side surface of a fuel tank, and a notch is provided in an upper part of an outer wall opposed to the hole. A pipe takeout hole is provided in the wheel house inner panel located on the side, and a breather pipe attached to the fuel tank is inserted into and supported by the pipe insertion hole, the notch portion, and the pipe takeout hole.

[0003]

However, in the above-mentioned conventional example, the breather pipe is merely inserted through the pipe insertion hole, the notch portion, and the pipe extraction hole, and is not fixed at all. Therefore, the installation state becomes unstable, and the breather pipe may interfere with the floor side member etc. due to the manufacturing error or assembly error of the vehicle body, etc., so that the breather pipe may be damaged or the proper mounting posture of the breather pipe may be changed. There was a problem that it could not be held.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the prior art, and has as its object to easily and surely attach and support a pipe such as a breather pipe. It is intended to provide a pipe support structure.

[0005]

According to a first aspect of the present invention, there is provided a pipe supporting structure including a pipe supporting frame having an inner side wall and an outer side wall which are separated from each other and opposed to each other. Is provided with an inner support member for supporting a pipe to be supported in a detachable manner, and an outer support member to which the pipe is fixed is detachably provided on the outer wall, and the pipe extends from the outer wall to the inner wall. It is characterized by being penetrated and supported.

[0006] In order to achieve the above object, a second aspect is provided.
The pipe support structure according to claim 1, wherein the inner support member is made of a flexible material in the pipe support structure according to claim 1.

[0007] In order to achieve the above object, a third aspect is provided.
The pipe support structure according to claim 1, wherein the pipe has a flat portion and a bulging portion, the outer support member has a concave portion, and the flat portion is formed in the concave portion. The pipe is prevented from rotating by being inserted from an open portion, and the end surface of the bulging portion is fixed to the pipe so as to be immovable in the thrust direction by abutting the end face against the outer support member. It is characterized by being sealed with a sealing member.

[0008] In order to achieve the above object, a fourth aspect of the invention is provided.
The pipe support structure according to claim 1, wherein at least one of the inner support member and the outer support member is attached to the frame by a clip.

According to another aspect of the present invention, there is provided a semiconductor device comprising:
The pipe support structure described in the first, second, third, or fourth aspect is characterized in that the pipe is made of a material that is resistant to rust.

According to the present invention, the pipe is attached to and supported on the pipe penetration portions of the outer and inner walls of the pipe supporting frame, which is a part where the manufacturing error is extremely small, so that the interference between the pipe and the pipe supporting frame is achieved. Can be prevented.

One end of the pipe is fixed to an outer support member provided on an outer wall of the pipe support frame, and the other end of the pipe is detachably supported on an inner support member provided on an inner wall of the pipe support frame. By doing
Since the pipe is supported at two places, the inner support member and the outer support member, the pipe is reliably and stably supported in an appropriate posture with respect to the pipe support frame.

Further, since the pipe is inserted from the outer wall to the inner wall and attached, even if there is no working space on the inner wall side, the pipe can be easily attached and supported from the outer wall side.

Further, since the inner support member is flexible, even if the pipe insertion hole of the inner support member and the pipe insertion hole of the outer support member are shifted, the shift is absorbed by the flexible characteristic of the inner support member. In addition, the pipe is not deformed due to an unreasonable load acting on the pipe, and the rattle between the pipe and the inner support member is eliminated, and the mounting posture of this portion is stably supported in an appropriate state.

Further, the flat portion of the pipe is inserted into the concave portion of the outer support member from its open portion, the pipe is stopped from rotating, and the end face of the bulging portion of the pipe comes into contact with the outer support member. As a result, the pipe is immovably fixed in the thrust direction, and the opening of the concave portion is sealed by a sealing member, so that the pipe is reliably and stably supported in a predetermined posture state.

Also, since at least one of the inner support member and the outer support member is attached to the pipe support frame by a clip, the assembling property is good, and the inner support member and the pipe support frame of the pipe support frame are excellent. Since the mounting hole of the outer support member can be made smaller, there is little decrease in strength.

Further, since the pipe is made of a rust-resistant material such as stainless steel, even if the pipe is damaged at the time of installation, the pipe does not form a hole due to rust.

[0017]

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

(First Embodiment) First, a first embodiment of the present invention will be described.
The embodiment will be described with reference to FIGS. In the present embodiment, a breather pipe connected to a fuel tank for a vehicle is supported.

FIG. 1 is a partially cut-away schematic side view showing a configuration of a pipe support structure according to a first embodiment of the present invention, and FIG. 2 is a main part showing the pipe support structure before assembly. FIG. 3 is an enlarged vertical sectional view of a main part showing an assembled state of the pipe support structure, and FIG. 4 is a perspective view of a main part showing a state before the pipe support structure is assembled.

In FIG. 1, 1 is a floor of a vehicle body, 2 is a fuel tank fixed to a lower surface of the floor 1 by an appropriate fixing means, and 3 is an inlet pipe (fuel pipe) for refueling connected to the fuel tank 2. Reference numeral 4 denotes a breather pipe (vent pipe) connected to the fuel tank 2 and the inlet pipe 3 for removing air during refueling. The air in the fuel tank 2 is discharged from the breather pipe 4 during refueling, so that the inlet pipe is provided. The fuel can be smoothly supplied from the fuel tank 3 into the fuel tank 2. Reference numeral 5 denotes a vent pipe connected to the fuel tank 2, which is one of US emission regulations.
This is a pipe for establishing a puff loss (a requirement in the ARB evaporative emission regulations, in which the pressure in the fuel tank 2 is set to 18.6 mmHg or less in the designated test mode).

The breather pipe 4 and the vent pipe 5
It is supported on the lower surface of the floor 1 by the pipe support structure of the present invention.

The pipe support structure according to the present invention comprises a fuel tank 2
Has a pipe supporting frame 6 fixed to the lower surface of the floor 1 at one side. As shown in FIG. 2, the pipe supporting frame 6 has a U-shape formed by connecting an inner wall 7 and an outer wall 8 facing each other with a lower wall 9. At the upper end of the inner wall 7 and the upper end of the outer wall 8, mounting flanges 10, 11 are formed. The mounting flanges 10 and 11 are fixed to the lower surface of the floor 1 by an appropriate fixing means, so that the pipe supporting frame 6 is mounted on the lower surface of the floor 1.
In the mounted state of the pipe supporting frame 6, the inner wall 7 is located near the fuel tank 2 side, and the outer wall 8 is located on the opposite side.

The inner wall 7 is provided with pipe through holes 12 and 13 through which the breather pipe 4 and the vent pipe 5 pass, and an engaging hole 14 into which a clip for attaching an inner support member described later is fitted and locked. ing. The outer wall 8 has pipe through-holes 15 and 16 through which the breather pipe 4 and the vent pipe 5 penetrate, and an engaging hole 1 into which a clip for attaching an outer support member to be described later is fitted.
7 are provided. Pipe through hole 12,1
The diameters of 3, 15, and 16 are set slightly larger than the diameters of the breather pipe 4 and the vent pipe 5.

The inner wall 7 is provided with an inner support member (stay) 18 for supporting the breather pipe 4 and the vent pipe 5 so as to be freely inserted and removed. This inner support member 18
Is formed by integrally molding pipe penetration portions 20 and 21 through which the breather pipe 4 and the vent pipe 5 penetrate through a synthetic resin inner support member main body 19 using a flexible material, for example, rubber. Thereby, the inner wall 7
Pipe through-holes 12 and 13 and pipe through-hole 1 in outer wall 8
5 and 16, the pipe penetration portions 20 and 2
Due to the flexible characteristic of 1, the deformation is absorbed, and the breather pipe 4 and the vent pipe 5 are not deformed due to an unreasonable load acting on the breather pipe 4 and the vent pipe 5. There is no backlash between the support member 18 and the mounting posture of this portion is stably supported in an appropriate state.

A plurality of (three in this embodiment) clips 22 for fitting and locking are integrally formed on one side surface (the left side surface in FIG. 2) of the inner support member body 19. Then, from the outer surface side of the inner wall 7 (the right side in FIG. 2),
A clip 22 of the inner support member 18 is inserted into the engagement hole 14,
By forcibly engaging and locking using its elasticity,
The inner support member 18 is fixed to the inner wall 7. Thereby, the attachment of the inner support member 18 to the inner wall 7 can be performed easily and reliably, so that workability is good.

An outer support member 23 (stay) to which the breather pipe 4 and the vent pipe 5 are fixed is detachably attached to the outer wall 8 via a plurality of (three in this embodiment) clips 24. ing. Thereby, the outer support member 23 can be easily and reliably attached to the outer wall 8, so that workability is good.

The outer support member 23 has an outer support member main body 25 made of a synthetic resin.
Are provided with pipe insertion holes 26 and 27 through which the breather pipe 4 and the vent pipe 5 are inserted with a margin. On one side surface (the left side surface in FIG. 2) of the outer support member main body 25, projecting wall portions 28 and 29 are integrally formed.
In these protruding wall portions 28 and 29, concave portions 30 penetrating in the axial direction in which the breather pipe 4 and the vent pipe 5 are fitted,
31 are provided respectively. These recesses 30, 3
The upper surface open portions 32 and 33 of one are set to a value smaller than the diameter of the concave portions 30 and 31. The recesses 30 and 31 communicate with the insertion holes 26 and 27, respectively. Breather pipe 4
The vent pipe 5 is inserted into the recesses 30, 31 from the upper opening portions 32, 33 through the insertion holes 26, 27. In this inserted state, the breather pipe 4 and the vent pipe 5 come into close contact with the recesses 30 and 31.

After inserting one end sides of the breather pipe 4 and the vent pipe 5 into the recesses 30 and 31 through the upper surface open portions 32 and 33, the upper surfaces of the both protruding wall portions 28 and 29 are formed in a plate shape made of synthetic resin. By fixing the sealing member (cap) 34 by ultrasonic welding or the like, the upper surface opening 3
2, 33 can be sealed. Thus, the breather pipe 4 and the vent pipe 5 can be securely fixed to the outer support member 23.

Flat portions 35 are provided on both sides of a portion of the breather pipe 4 whose one end is bent into the recess 30.
And a bulging portion 36 are formed. And the flat part 35
Is inserted into the recess 30 so that the breather pipe 4
Is stopped from rotating. In addition, the breather pipe 4 is fixed immovably in the thrust direction by the end face of the bulging portion 36 abutting on the outer support member main body 25 and the protruding wall portion 28. Thereby, the support state of the breather pipe 4 whose one end side is bent is stabilized, and the breather pipe 4 can be stably held in the predetermined posture state for a long period of time.

Further, a flat portion 35a and a bulging portion 36a are formed on both sides of a portion to be inserted into the concave portion 31 of the vent pipe 5.
Are formed. Then, the flat portion 35a is
The vent pipe 5 is prevented from rotating by being inserted into the inside. In addition, the end surface of the bulging portion 36a is
5 and the protruding wall portion 29 so that the vent pipe 5
Is fixed so as not to move in the thrust direction. Thereby, the support state of the vent pipe 5 is stabilized, and the vent pipe can be stably maintained in the predetermined posture state for a long period of time.

The breather pipe 4 and the vent pipe 5
Both are made of a material that is not easily rusted (stainless steel in the present embodiment), and even if the breather pipe 4 and the vent pipe 5 are damaged at the time of installation, no holes are formed due to rust. Rubber tubes 37 and 38 are connected to both ends of the vent pipe 5, and annular projecting portions 39 and 40 are formed on the outer peripheral surfaces of the connection portions. These annular projections 39, 40 ensure that the rubber tubes 37, 38 are prevented from falling off and that they have a sealing property.

Next, a procedure for supporting the breather pipe 4 and the vent pipe 5 as shown in FIGS. 1 and 3 from the disassembled state shown in FIGS. 2 and 4 will be described.

The inner support member 18 is provided in the engagement hole 14 of the inner wall 7.
The inner support member 18 is fixed to the inner wall 7 by fitting the clip 22 of FIG.

The insertion holes 26, 2 of the outer support member 23
7, the breather pipe 4 and the vent pipe 5 are inserted, and one end sides of the breather pipe 4 and the vent pipe 5 are inserted into the concave portions 30, 31 from the upper surface open portions 32, 33, and the bulging portion 36 of the breather pipe 4 is The end face is brought into contact with the outer support member main body 25 and the protruding wall section 28, and the end face of the bulging portion 36a of the vent pipe is brought into contact with the outer support member main body 25 and the protruded wall section 29. Thereafter, the sealing members 34 are fixed to the upper surfaces of the protruding wall portions 28, 29, so that the upper surface opening portions 32, 3
3 is sealed. As a result, the breather pipe 4 and the vent pipe 5 are fixed to the outer support member main body 25.

After such a state, the breather pipe 4 and the vent pipe 5 are sequentially inserted through the through holes 15 and 16 of the outer wall 8 and the through holes 12 and 13 of the inner wall 7 from the other end. And the other end of the vent pipe 5 is inserted through the pipe penetration portions 20 and 21 of the inner support member 18. Next, the outer support member 23 is inserted into the engagement hole 17 of the outer wall 8.
The outer support member 23 is fixed to the outer wall 8 by fitting the clip 24.

As described above, the breather pipe 4 and the vent pipe 5 are stably and reliably supported by the pipe supporting frame 6 as shown in FIGS.

As described in detail above, according to the pipe support structure of the present embodiment, the pipe through-holes 12 of the inner wall 7 and the outer wall 8 of the pipe support frame 6, which are parts with extremely small manufacturing errors. , 13, 15, and 16, the breather pipe 4 and the vent pipe 5 are inserted and supported, so that the breather pipe 4 and the vent pipe 5 and the pipe supporting frame 6 are supported.
Interference can be prevented.

The outer wall 8 of the pipe supporting frame 6
One end sides of the breather pipe 4 and the vent pipe 5 are fixed to the outer support member 23 provided at the other end, and the other end sides of the breather pipe 4 and the vent pipe 5 are inserted and removed from the inner support member 18 provided at the inner wall 7 of the pipe support frame 6. Since the breather pipe 4 and the vent pipe 5 are freely supported, the breather pipe 4 and the vent pipe 5 are supported at two places of the inner support member 18 and the outer support member 23. It is reliably and stably supported in an appropriate posture.

Further, since the breather pipe 4 and the vent pipe 5 are inserted from the outer wall 8 to the inner wall 7 and attached, even if there is no working space on the inner wall 7 side, the breather pipe 4 and the vent pipe 5 are inserted from the outer wall 8 side. 5 can be easily attached and supported.

Further, the pipe penetration portion 2 of the inner support member 18
Since 0 and 21 are flexible, the pipe through holes 12 and 13 in the inner wall 7 and the pipe through holes 15 and 16 in the outer wall 8 are provided.
Even when the breather pipe 4 and the vent pipe 5 are deformed due to the excessive load acting on the breather pipe 4 and the vent pipe 5, the deformation is absorbed by the flexible characteristics of the pipe penetration portions 20 and 21. Does not occur, and rattling between the breather pipe 4 and the vent pipe 5 and the inner support member 18 is eliminated, and the mounting posture of this portion is stably supported in an appropriate state.

The flat part 35 of the breather pipe 4 is inserted into the concave part 30 of the outer support member 23 from the upper open part 32, so that the breather pipe 4 whose one end is bent is prevented from rotating and the breather pipe 4 is rotated. When the end surface of the bulging portion 36 of the fourth member 4 comes into contact with the outer supporting member main body 25 and the protruding wall portion 28, the breather pipe 4 having one end bent is fixed so as not to be movable in the thrust direction. The rotation of the breather pipe 4 and the displacement in the thrust direction can be reliably prevented.

Further, the flat portion 35a of the vent pipe 5 is inserted into the concave portion 31 of the outer support member 23 from the upper open portion 33, whereby the vent pipe 5 is prevented from rotating and the bulging portion 36a of the vent pipe 5 is closed. Since the end face abuts on the outer support member main body 25 and the protruding wall portion 29, the vent pipe 5 is fixed so as not to be movable in the thrust direction, so that rotation of the vent pipe 5 and prevention of displacement in the thrust direction are prevented. Can be performed reliably.

After the breather pipe 4 and the vent pipe 5 are inserted into the recesses 30 and 31,
Since the 33 is sealed by the sealing member 34, the breather pipe 4 and the vent pipe 5 do not fall out of the upper opening portions 32, 33, and the breather pipe 4 and the vent pipe 5 are securely fixed in the recesses 30, 31. Is done.

The inner support member 18 and the outer support member 2
3 is a pipe supporting frame 6 by clips 22 and 24.
The mounting holes 14 and 17 which are the mounting holes for the inner support member 18 and the outer support member 23 of the pipe supporting frame 6 can be reduced, so that the strength is less reduced.

Further, since the breather pipe 4 and the vent pipe 5 are made of a material such as stainless steel which does not easily rust, even if the breather pipe 4 and the vent pipe 5 are damaged at the time of mounting, the breather pipe 4 and the vent pipe 5 are rusted. There is no hole in the hole.

(Second Embodiment) Next, a second embodiment of the present invention will be described.
The embodiment will be described with reference to FIG. In the above-described first embodiment, the outer support member 23 is attached to the outer wall 8 with the plurality of clips 24. However, the present invention is not limited to this, and as shown in FIG. A frame-shaped fitting member 41 is integrally formed on the side surface, a fitting hole 42 into which the fitting member 41 fits is provided on the outer wall 8, and the fitting member 41 is fitted into the fitting hole 42. Alternatively, the outer support member 23 may be detachably attached to the outer wall 8.

With such a configuration, the outer supporting member 2
3 can be easily and reliably attached to the outer wall 8 with one touch.

In FIG. 5, the same parts as those in the first embodiment are denoted by the same reference numerals.

(Third Embodiment) In the above-described first embodiment, the inner support member 18 is connected to the inner support member main body 1.
9, pipe through portions 20 and 21 made of rubber or the like are integrally formed and attached to the inner wall 7 using the clip 22. However, the present invention is not limited to this, and the clip 22 is omitted as shown in FIG. Alternatively, the inner supporting member 18 having the pipe penetration portions 20 and 21 may be integrally fitted into the fitting hole 43 of the inner wall 7 and attached to the inner wall 7.

(Fourth Embodiment) Also, as shown in FIG. 7, the inner supporting members 18a and 18b are formed of a ring member such as rubber, and these inner supporting members 18a and 18b are formed inside the pipe supporting frame 6. It may be configured by fitting into the through holes 12 and 13 of the wall 7, respectively.

(Fifth Embodiment) The outer support member 23 may be detachably attached to the outer wall 8 with a screw.

(Sixth Embodiment) Further, the pipes to be supported are not limited to the breather pipe 4 and the vent pipe 5, and the pipe support structure of the present invention can be widely applied to other pipes. It is possible to

[0053]

As described above in detail, according to the pipe supporting structure of the first aspect of the present invention, the pipe penetration portions of the outer wall and the inner wall of the pipe supporting frame, which are portions where manufacturing errors are extremely small. Since the pipe is attached to and supported by the pipe, there is an effect that interference between the pipe and the pipe supporting frame can be prevented.

Further, according to the pipe support structure of the present invention, one end of the pipe is fixed to the outer support member provided on the outer wall of the pipe support frame, and the inner wall of the pipe support frame is fixed. The other end side of the pipe is detachably supported by the inner support member provided in the above, so that the pipe is supported at two places of the inner support member and the outer support member. And an effect of being stably supported in an appropriate posture.

According to the pipe support structure of the first aspect of the present invention, since the pipe is inserted from the outer wall to the inner wall and attached, even if there is no working space on the inner wall side, the pipe can be inserted from the outer wall side. There is an effect that the pipe can be easily attached and supported.

According to the pipe support structure of the second aspect of the present invention, since the inner support member is flexible, the pipe insertion hole of the inner support member and the pipe insertion hole of the outer support member are shifted. However, the displacement is absorbed by the flexible characteristic of the inner support member, and the pipe is not deformed due to an unreasonable load acting on the pipe, and there is no backlash between the pipe and the inner support member. There is an effect that the mounting posture of the camera is stably supported in an appropriate state.

According to the pipe support structure of the third aspect of the present invention, the flat portion of the pipe is inserted into the concave portion of the outer support member from the open portion, the rotation of the pipe is stopped, and the pipe is stopped. The pipe is fixed immovably in the thrust direction by the end surface of the bulging portion abutting on the outer support member, and the opening of the concave portion is sealed by a sealing member. Has an effect that the bent pipe is reliably and stably supported in a predetermined posture state.

According to the pipe support structure of the fourth aspect of the present invention, at least one of the inner support member and the outer support member is attached to the pipe support frame by a clip, so that the assembling property is good. In addition, since the mounting holes for the inner support member and the outer support member of the pipe support frame can be made smaller, there is an effect that the reduction in strength is small.

Further, according to the pipe support structure of the fifth aspect of the present invention, since the pipe is made of a rust-resistant material such as stainless steel, even if the pipe is damaged at the time of attachment, the pipe is rusted. This has the effect that no holes are formed in the holes.

[Brief description of the drawings]

FIG. 1 is a partially cutaway schematic side view showing a configuration of a pipe support structure according to a first embodiment of the present invention.

FIG. 2 is an enlarged longitudinal sectional view of a main part showing a state before the pipe support structure is assembled.

FIG. 3 is an enlarged longitudinal sectional view of a main part showing an assembled state of the pipe support structure.

FIG. 4 is a perspective view of an essential part showing a state before assembly of the pipe support structure.

FIG. 5 is a partially cutaway side view showing a configuration of a main part of a pipe support structure according to a second embodiment of the present invention.

FIG. 6 is a longitudinal sectional view showing a configuration of a main part of a pipe support structure according to a third embodiment of the present invention.

FIG. 7 is a vertical cross-sectional view illustrating a main part configuration of a pipe support structure according to a fourth embodiment of the present invention.

[Explanation of symbols]

 Reference Signs List 1 floor 2 fuel tank 3 inlet pipe (fuel pipe) 4 breather pipe (vent pipe) 5 vent pipe 6 pipe support frame 7 inner wall 8 outer wall 9 lower wall 10 mounting flange 11 mounting flange 12 pipe through hole 13 pipe through hole DESCRIPTION OF SYMBOLS 14 Engagement hole 15 Pipe through-hole 16 Pipe through-hole 17 Engagement hole 18 Inner support member 19 Inner support member main body 20 Pipe penetration part 21 Pipe penetration part 22 Clip 23 Outer support member 24 Clip 25 Outer support member main body 26 Insertion hole 27 Insertion hole 28 Projected wall portion 29 Projected wall portion 30 Recessed portion 31 Recessed portion 32 Upper surface open portion 33 Upper surface open portion 34 Sealing member 35 Flat portion 36 Swelling portion 37 Rubber tube 38 Rubber tube 39 Ring-shaped protrusion 40 Ring-shaped protrusion 41 Fitting Member 42 Fitting hole 43 Fitting hole

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[Procedure amendment]

[Submission date] June 16, 1997

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0020

[Correction method] Change

[Correction contents]

In FIG. 1, 1 is a floor of a vehicle body, 2 is a fuel tank fixed to a lower surface of the floor 1 by an appropriate fixing means, and 3 is an inlet pipe (fuel pipe) for refueling connected to the fuel tank 2. Reference numeral 4 denotes a breather pipe (vent pipe) connected to the fuel tank 2 and the inlet pipe 3 for removing air during refueling. The air in the fuel tank 2 is discharged from the breather pipe 4 during refueling, so that the inlet pipe is provided. The fuel can be smoothly supplied from the fuel tank 3 into the fuel tank 2. Reference numeral 5 denotes a vent pipe connected to the fuel tank 2, which is one of US emission regulations.
One is that in Pafurosu (d Bapo 1 requirements in emission regulations, the pressure in the fuel tank 2 at the specified test mode
A pipe for establishing that) to define below.

Claims (5)

[Claims] 1. A pipe support frame having an inner wall and an outer wall opposed to each other and separated from each other, wherein the inner wall is provided with an inner support member for removably supporting a pipe to be supported, and the outer wall is provided. , An outer supporting member to which the pipe is fixed is detachably provided, and the pipe is supported by penetrating from the outer wall to the inner wall. 2. The pipe support structure according to claim 1, wherein said inner support member is made of a flexible material. 3. The pipe has a flat portion and a bulging portion, the outer support member has a concave portion, and the pipe is stopped from rotating by inserting the flat portion into the concave portion from its open portion; The end face of the bulging portion is fixed to the pipe so as to be immovable in the thrust direction by abutting the end surface on the outer supporting member, and an opening of the concave portion is sealed with a sealing member. 3. The pipe support structure according to 1 or 2. 4. The pipe support structure according to claim 1, wherein at least one of said inner support member and said outer support member is attached to said frame by a clip. 5. The pipe supporting structure according to claim 1, wherein said pipe is made of a material which is not easily rusted.