WO2014061668A1 - Raccord de tuyau de réservoir de combustible - Google Patents

Raccord de tuyau de réservoir de combustible Download PDF

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Publication number
WO2014061668A1
WO2014061668A1 PCT/JP2013/077994 JP2013077994W WO2014061668A1 WO 2014061668 A1 WO2014061668 A1 WO 2014061668A1 JP 2013077994 W JP2013077994 W JP 2013077994W WO 2014061668 A1 WO2014061668 A1 WO 2014061668A1
Authority
WO
WIPO (PCT)
Prior art keywords
fuel tank
pipe
reinforcing rib
pipe joint
flange
Prior art date
Application number
PCT/JP2013/077994
Other languages
English (en)
Japanese (ja)
Inventor
純平 堀川
高橋　英明
Original Assignee
株式会社ニフコ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社ニフコ filed Critical 株式会社ニフコ
Publication of WO2014061668A1 publication Critical patent/WO2014061668A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/01—Arrangement of fuel conduits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K2015/03328—Arrangements or special measures related to fuel tanks or fuel handling
    • B60K2015/03453—Arrangements or special measures related to fuel tanks or fuel handling for fixing or mounting parts of the fuel tank together
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K15/04—Tank inlets
    • B60K2015/0458—Details of the tank inlet
    • B60K2015/0477—Details of the filler neck tank side

Definitions

  • the present invention relates to a pipe joint that is attached to a fuel tank and used to connect a pipe such as a fuel supply pipe.
  • a conventional pipe joint 100 of this type includes a flange portion 120 that comes into contact with a peripheral edge of an opening provided on a wall surface of a fuel tank, And a connecting pipe part 130 provided so as to protrude from the flange part 120 to the outside of the fuel tank.
  • a metal reinforcing collar 160 is provided on the inner peripheral side of the connecting pipe portion 130.
  • a pipe P such as a fuel supply pipe
  • a fixing tool H such as a hose clamp or a hose band
  • the tightening force for tightening and fixing is set relatively firmly. Therefore, a metal reinforcing collar 160 is used to avoid breakage of the connecting pipe portion 130 and the like.
  • the metal reinforcing collar 160 is certainly effective enough to reinforce the strength of the connecting pipe portion 130. However, since it is made of metal, the cost is high. Further, in order to fix the metal reinforcing collar 160, a heat caulking process or the like is necessary, and dedicated equipment for that is required. On the other hand, even if the reinforcing collar 160 is made of resin, it cannot be sufficiently strong.
  • An object of the present invention is to provide a fuel tank pipe joint having a sufficient strength in a connecting pipe portion without using a metal reinforcing collar.
  • the present invention includes a flange portion that is in contact with a peripheral edge of an opening portion provided on a wall surface of a fuel tank, and a connection pipe portion that is provided so as to protrude from the flange portion to the outside of the fuel tank.
  • a fuel tank pipe joint characterized in that a reinforcing rib is provided inside the pipe part.
  • the reinforcing rib is passed inside the connecting pipe portion, sufficient strength can be realized in the connecting pipe portion without using a metal reinforcing collar.
  • a resin reinforcing rib can achieve a sufficient strength in the connecting pipe portion. Therefore, it is very advantageous in terms of cost as compared with a conventional fuel tank fitting using a metal reinforcing collar.
  • the reinforcing rib is preferably provided so as to have a radiation portion extending radially around the central axis of the connection tube portion, and an annular portion that is substantially concentric with the inner cross section of the connection tube portion.
  • the reinforcing ribs good and the reinforcing strength is favorable, but also the advantage that the flow resistance in the connecting pipe portion is low is obtained. Furthermore, in this case, an anti-siphon function can also be achieved.
  • the reinforcing rib is composed of only the radiation portion extending radially around the central axis of the connecting tube portion is also included in the scope of the present invention.
  • the connecting pipe portion may also protrude from the flange portion to the inside of the fuel tank.
  • the reinforcing rib is preferably provided inside the connecting pipe portion in the region outside the fuel tank with respect to the flange portion. This is because fixing tools such as a hose clamp and a hose band are applied to the connecting pipe portion in the region outside the fuel tank with respect to the flange portion.
  • a valve device can be provided inside the connecting pipe portion in the inner region.
  • the valve device for example, a known flap valve device can be applied.
  • the connecting pipe part preferably has an outer pipe part integral with the flange part and an inner pipe part coupled (fitted, welded, insert-molded, etc.) to the outer pipe part.
  • the reinforcing rib is provided inside the inner tube portion.
  • the reinforcing rib is passed inside the connecting pipe portion, sufficient strength can be realized in the connecting pipe portion without using a metal reinforcing collar.
  • a resin reinforcing rib can achieve a sufficient strength in the connecting pipe portion. Therefore, it is very advantageous in terms of cost as compared with a conventional fuel tank fitting using a metal reinforcing collar.
  • FIG. 3 is a longitudinal sectional view taken along line BB in FIG. 1.
  • FIG. 2 is a schematic plan view of the fuel tank fitting in FIG. 1. It is a figure similar to FIG. 3 which shows the modification of a reinforcing rib. It is the schematic of the conventional fuel tank pipe joint.
  • FIG. 1 is a schematic front view of a fuel tank fitting according to an embodiment of the present invention.
  • FIG. 2 is a longitudinal sectional view taken along line BB in FIG.
  • FIG. 3 is a schematic plan view of the fuel tank fitting of FIG.
  • the fuel tank fitting 10 includes a flange portion 20 that is in contact with a peripheral edge of an opening provided on a wall surface of a fuel tank (not shown), and a flange. And a connecting pipe portion 30 provided so as to protrude from the portion 20 to the outside of the fuel tank (upper side in FIG. 2).
  • the connecting pipe portion 30 of the present embodiment also protrudes to the inside of the fuel tank (lower side in FIG. 2) with respect to the flange portion 20.
  • the connecting pipe part 30 includes an outer pipe part 31 integrated with a small flange 21 constituting a part of the flange part 20, and a fuel tank inner end part (see FIG. 2).
  • an inner tube portion 32 also referred to as an insertion portion of the flap case that is fitted so as to sandwich the lower end portion).
  • the housing portion 33 (also referred to as an attachment portion) integral with the large flange 23 covering the small flange 21 is further provided with two types of resin materials having different properties with respect to the outer tube portion 31. It is integrally formed by color molding. More specifically, the outer pipe portion 31 including the small flange 21 is formed of polyamide, the housing portion 33 including the large flange 23 is formed of polyethylene, and both are integrated.
  • a reinforcing rib 60 that is a feature of the present invention is provided inside the inner pipe portion 32 at a substantially central position in the vertical direction of the region outside the fuel tank with respect to the flange portion 20.
  • the reinforcing rib 60 of the present embodiment includes six radiation portions 61 extending radially around the central axis of the inner tube portion 32, as shown in FIGS.
  • An inner cross section of the pipe portion 32 and an annular portion 62 that is substantially concentric are provided.
  • each of the six radiation parts 61 of the reinforcing rib 60 is higher in a part far from the central axis of the inner pipe part 32 than in a part near the central axis of the inner pipe part 32. Is widened in a divergent shape to about twice (the width is uniform as shown in FIG. 3).
  • the housing part 33, the outer pipe part 31, the inner pipe part 32, and the reinforcing rib 60 are all made of resin.
  • the housing part 33 is formed of the same resin as the fuel tank, for example, a polyolefin-based synthetic resin such as polyethylene (PE), so that the welding to the fuel tank is easy.
  • PE polyethylene
  • the inner pipe portion 32 and the reinforcing rib 60 are formed of a resin having high strength and excellent fuel oil resistance, such as polyoxymethylene (POM), polyamide (PA), polybutylene terephthalate (PBT), and the like.
  • valve device 70 is provided inside the inner pipe portion 32 in the region inside the fuel tank with respect to the flange portion 20.
  • the valve device 70 of the present embodiment is a known flap valve device, and detailed description thereof is omitted.
  • the inner tube portion 32 having the reinforcing rib 60 and the valve device 70 is fitted to the outer tube portion 31 as shown in FIG.
  • the outer tube portion 31 and the housing portion 33 are integrally formed in advance by two-color molding, and the large flange 23 of the housing portion 33 and the small flange 21 of the outer tube portion 31 are flanged.
  • Part 20 is formed.
  • the flange portion 20 is attached to the periphery of the opening provided on the wall surface of the fuel tank, and the housing portion 33 is welded to the wall surface of the fuel tank.
  • the fuel tank fitting 10 of the present embodiment can be easily attached to the fuel tank without requiring a special process such as heat caulking of the metal member.
  • the reinforcing rib 60 is passed inside the inner pipe portion 32, so that the metal reinforcing collar can be used. Even if it does not use, sufficient intensity
  • FIG. in particular, in the present embodiment, in order to realize sufficient strength in the connecting pipe portion 30 even though the reinforcing rib 60 is made of resin, a conventional fuel tank pipe joint using a metal reinforcing collar is provided. In comparison, it is very advantageous in terms of cost.
  • the reinforcing rib 60 of the present embodiment includes a radiation part 61 extending radially about the central axis of the connection pipe part 30, an annular part 62 substantially concentric with the inner cross section of the connection pipe part 30, and Therefore, the arrangement balance of the reinforcing ribs 60 is good, which is preferable in terms of reinforcing strength.
  • the flow path resistance in the connecting pipe part 30 is low, and there is an advantage that, for example, the pressure loss during fuel supply is small. Furthermore, there is an advantage that an anti-siphon function can be achieved.
  • the radiation portion 61 of the reinforcing rib 60 of the present embodiment is higher in the portion farther from the central axis of the connecting tube portion 30 than in the portion closer to the central axis of the connecting tube portion 30. This also improves the arrangement balance of the reinforcing ribs 60, which is preferable in terms of reinforcing strength.
  • the reinforcing rib 60 is passed inside the inner tube portion 32, sufficient strength is provided in the connecting tube portion 30 without using a metal reinforcing collar. Can be realized.
  • a conventional fuel tank pipe joint using a metal reinforcing collar is provided in order to realize sufficient strength in the connecting pipe portion 30 even though the reinforcing rib 60 is made of resin. In comparison, it is very advantageous in terms of cost.
  • the connecting pipe part 30 has the outer pipe part 31 integral with the flange part 20 and the inner pipe part 32 fitted to the outer pipe part 31.
  • the inner pipe portion 32 is not directly involved when the outer pipe portion 31 integrated with the flange portion 20 is attached to the fuel tank. For this reason, when attaching the fuel tank pipe joint 10 to the fuel tank, the risk of damaging the inner pipe portion 32, which tends to be expensive due to a large number of parts, is significantly reduced.
  • the reinforcing rib 60 has a radiation part 61 extending radially about the central axis of the connecting pipe part 30, an annular part 61 substantially concentric with the inner cross section of the connecting pipe part 30, and
  • the present invention is not limited to such a mode at least at the time of filing this application.
  • a fuel tank pipe joint 10 ′ in which the reinforcing rib 60 ′ includes only a radiation portion 61 ′ extending radially about the central axis of the connection pipe portion 30 is also within the scope of the present invention. included.
  • the reinforcing rib 60 ′ shown in FIG. 4 is inferior in that the flow path resistance is larger than the reinforcing rib 60 shown in FIG. It should be noted that the entire content of the specification, claims, drawings and abstract of Japanese Patent Application No. 2012-229129 filed on October 16, 2012 is cited herein as the disclosure of the specification of the present invention. Incorporate.

Abstract

La présente invention se rapporte à un raccord de tuyau de réservoir de combustible qui comprend les éléments suivants : une bride qui est placée au-dessus du rebord d'une ouverture réalisée dans la paroi d'un réservoir de combustible ; et une section de tuyau de raccordement agencée de sorte à faire saillie vers l'extérieur du réservoir de combustible depuis la bride susmentionnée. Ce raccord de tuyau de réservoir de combustible est caractérisé en ce qu'une nervure de renforcement s'étend à travers la partie interne de la section de tuyau de raccordement.
PCT/JP2013/077994 2012-10-16 2013-10-15 Raccord de tuyau de réservoir de combustible WO2014061668A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012-229129 2012-10-16
JP2012229129A JP6054131B2 (ja) 2012-10-16 2012-10-16 燃料タンク用管継手

Publications (1)

Publication Number Publication Date
WO2014061668A1 true WO2014061668A1 (fr) 2014-04-24

Family

ID=50488229

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2013/077994 WO2014061668A1 (fr) 2012-10-16 2013-10-15 Raccord de tuyau de réservoir de combustible

Country Status (3)

Country Link
JP (1) JP6054131B2 (fr)
KR (2) KR20140048809A (fr)
WO (1) WO2014061668A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008094271A (ja) * 2006-10-12 2008-04-24 Toyota Motor Corp 外気取入部構造
JP2012011797A (ja) * 2010-06-29 2012-01-19 Nifco Inc 燃料タンクの配管構造体
JP2012116380A (ja) * 2010-12-02 2012-06-21 Nifco Inc 給油ノズル用ガイド装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62163395U (fr) * 1986-04-02 1987-10-17
JP3045659B2 (ja) * 1995-10-25 2000-05-29 ブリヂストンスポーツ株式会社 ゴルフクラブ用シャフト及びその製造方法
JP3634631B2 (ja) * 1997-07-14 2005-03-30 株式会社パイオラックス 燃料逆流防止バルブ
JP4253620B2 (ja) * 2003-09-30 2009-04-15 株式会社パイオラックス 樹脂燃料タンク取付け用バルブ
KR100764497B1 (ko) * 2006-08-14 2007-10-09 현대자동차주식회사 자동차 연료펌프 모듈의 상부 플레이트

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008094271A (ja) * 2006-10-12 2008-04-24 Toyota Motor Corp 外気取入部構造
JP2012011797A (ja) * 2010-06-29 2012-01-19 Nifco Inc 燃料タンクの配管構造体
JP2012116380A (ja) * 2010-12-02 2012-06-21 Nifco Inc 給油ノズル用ガイド装置

Also Published As

Publication number Publication date
KR20150102910A (ko) 2015-09-09
JP2014080105A (ja) 2014-05-08
KR20140048809A (ko) 2014-04-24
JP6054131B2 (ja) 2016-12-27
KR101611800B1 (ko) 2016-04-11

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