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JP2014156830A - Vehicular canister fitting structure - Google Patents

Vehicular canister fitting structure Download PDF

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Publication number
JP2014156830A
JP2014156830A JP2013028718A JP2013028718A JP2014156830A JP 2014156830 A JP2014156830 A JP 2014156830A JP 2013028718 A JP2013028718 A JP 2013028718A JP 2013028718 A JP2013028718 A JP 2013028718A JP 2014156830 A JP2014156830 A JP 2014156830A
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JP
Japan
Prior art keywords
canister
protruding plate
bracket
vehicle
protruding
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Legal status (The legal status 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 status listed.)
Granted
Application number
JP2013028718A
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Japanese (ja)
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JP6032050B2 (en
Inventor
Kosuke Oishi
航介 大石
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Suzuki Motor Corp
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Suzuki Motor Corp
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Publication date
Application filed by Suzuki Motor Corp filed Critical Suzuki Motor Corp
Priority to JP2013028718A priority Critical patent/JP6032050B2/en
Priority to DE102014200520.5A priority patent/DE102014200520B4/en
Priority to IN431CH2014 priority patent/IN2014CH00431A/en
Priority to CN201410053070.3A priority patent/CN103993987B/en
Publication of JP2014156830A publication Critical patent/JP2014156830A/en
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Publication of JP6032050B2 publication Critical patent/JP6032050B2/en
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    • 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
    • B60K15/035—Fuel tanks characterised by venting means
    • B60K15/03504—Fuel tanks characterised by venting means adapted to avoid loss of fuel or fuel vapour, e.g. with vapour recovery systems
    • 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
    • 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
    • B60K2015/03467—Arrangements or special measures related to fuel tanks or fuel handling for fixing or mounting parts of the fuel tank together by clip or snap fit fittings
    • 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
    • B60K15/035—Fuel tanks characterised by venting means
    • B60K15/03504—Fuel tanks characterised by venting means adapted to avoid loss of fuel or fuel vapour, e.g. with vapour recovery systems
    • B60K2015/03514—Fuel tanks characterised by venting means adapted to avoid loss of fuel or fuel vapour, e.g. with vapour recovery systems with vapor recovery means

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a vehicular canister fitting structure capable of protecting the canister when an external force acts against a vehicle and at the same time improving an assembling characteristic of the canister against a dash panel.SOLUTION: When a canister 6 is fixed to a dash panel 4 facing to an engine room 1, a bracket 8 is fixed to the dash panel 4. To the bracket 8 are formed a pair of right and left protruding plates 13 protruded from a base plate 9 fixed to the dash panel 4 toward the engine room 1 and approached to each other at their protruding extremity ends. At the inside portions of the pair of protruding plates 13 is formed an opening 17 of which outer edge extends along the base part of each of the protruding plates 13 and its upward and downward length is longer than the protruding plates 13. At a connecting area between the base plate 9 and each of the protruding plates 13 is formed a weak part 19, and ribs 22 are formed from the upper end and the lower end of the weak part 19 along the edge of the opening 17. A fitting part 14 formed at the canister 6 is inserted into a space enclosed by the base plate 9 of the bracket 8 and the protruding plates 13.

Description

本発明は、車両に用いられるキャニスタの取付構造に関し、例えばエンジンルーム後方のダッシュパネルにキャニスタを取り付ける場合に好適なものである。   The present invention relates to a mounting structure for a canister used in a vehicle, and is suitable for mounting a canister on a dash panel at the rear of an engine room, for example.

車両用のキャニスタは、燃料蒸気を吸着して捕獲するものであり、更には、パージしてスロットルバルブに供給するものでもある。このような車両用キャニスタの取付構造としては、例えば下記特許文献１に記載されるものがある。この車両用キャニスタの取付構造は、例えばキャニスタに第１のブラケットを取付け、車体に第２のブラケットを取付ける。第１のブラケットには、互いに外側向きに開口する上下方向に長手の一対の溝部が形成され、第１のブラケットの下端部には、前面に挿入空隙部を有する隆起部が形成されている。一方、第２のブラケットには、前記一対の溝部に挿入される一対の嵌合片が互いに内向きに形成され、第２のブラケットの下端部には、前記挿入空隙部に挿入される凸部を有する弾性片が形成されている。キャニスタに取付けられた第１のブラケットの溝部に第２のブラケットの嵌合片を挿入しながら第１のブラケットを第２のブラケットの下端部まで差し込むと、第２のブラケットの弾性片に形成された凸部が、第１のブラケットの隆起部に形成された挿入空隙部に挿入される。これにより、第１のブラケットと第２のブラケットが固定され、車体にキャニスタが固定される。   A vehicle canister adsorbs and captures fuel vapor, and further purges it and supplies it to a throttle valve. As such a mounting structure for a vehicle canister, for example, there is one described in Patent Document 1 below. In this vehicle canister mounting structure, for example, a first bracket is mounted on a canister and a second bracket is mounted on a vehicle body. The first bracket is formed with a pair of vertically elongated grooves that open outwardly from each other, and a raised portion having an insertion gap on the front surface is formed at the lower end of the first bracket. On the other hand, in the second bracket, a pair of fitting pieces inserted into the pair of grooves are formed inward from each other, and a convex portion inserted into the insertion gap is formed at the lower end of the second bracket. The elastic piece which has is formed. When the first bracket is inserted to the lower end of the second bracket while the fitting piece of the second bracket is inserted into the groove of the first bracket attached to the canister, the elastic piece of the second bracket is formed. The convex portion is inserted into the insertion gap formed in the raised portion of the first bracket. Thereby, the first bracket and the second bracket are fixed, and the canister is fixed to the vehicle body.

特開平９−７９２３０号公報JP-A-9-79230

しかしながら、前記特許文献１に記載される車両用キャニスタの取付構造では、キャニスタに外力が作用した場合であっても、キャニスタがブラケットから外れない、又は離脱しない構造となっている。そのため、例えばキャニスタをダッシュパネルの車両前方に取付けた場合にあって、車両に外力が作用し、エンジンルーム内の部品がキャニスタと接触すると、その部品とキャニスタとが強く干渉する虞がある。   However, the vehicle canister mounting structure described in Patent Document 1 has a structure in which the canister is not detached from the bracket or detached even when an external force is applied to the canister. Therefore, for example, when the canister is attached to the front of the dash panel in the vehicle, when an external force acts on the vehicle and a component in the engine room comes into contact with the canister, the component and the canister may strongly interfere with each other.

本発明は、上記のような問題点に着目してなされたものであり、車両に外力が作用した場合にキャニスタを保護すると共に、キャニスタのダッシュパネルへの組み付け性を向上することが可能な車両用キャニスタの取付構造を提供することを目的とするものである。   The present invention has been made paying attention to the above problems, and can protect a canister when an external force is applied to the vehicle, and can improve the assembly of the canister to a dash panel. It is an object to provide a mounting structure for a canister.

上記課題を解決するために、発明の実施態様は、燃料蒸気を吸着して捕獲する車両用キャニスタの取付構造において、エンジンルームの車両後方に配置されるダッシュパネルと、前記ダッシュパネルに取付けられるブラケットと、前記ブラケットに形成され、前記ダッシュパネルに固定される基板部と、前記基板部から前記エンジンルーム側に突出するように形成され、互いに突出先端部が近づくように傾斜する左右一対の突出板部と、前記キャニスタの外周面に形成され、前記基板部と前記突出板部とで囲まれる空間に挿入される取付部と、前記一対の突出板部の夫々の基部に沿って前記基板部のうち前記一対の突出板部同士の内側部分に形成され、上下方向の長さが前記突出板部の上下方向の長さよりも長い開口部と、前記基板部と前記突出板部との連結領域に形成された脆弱部と、前記脆弱部の上端部及び下端部から前記開口部の縁に沿って前記基板部に形成されたリブとを備えたことを特徴とする車両用キャニスタの取付構造である。   In order to solve the above-described problems, an embodiment of the present invention is a vehicle canister mounting structure that adsorbs and captures fuel vapor, and a dash panel disposed at the rear of the vehicle in an engine room, and a bracket that is mounted on the dash panel. And a pair of left and right projecting plates formed on the bracket and fixed to the dash panel, and projecting from the substrate section toward the engine room, and inclined so that the projecting tip portions approach each other A mounting portion that is formed on an outer peripheral surface of the canister and is inserted into a space surrounded by the substrate portion and the protruding plate portion; and a base portion of the pair of protruding plate portions along the respective base portions. Among them, an opening formed in an inner portion between the pair of protruding plate portions, the length in the vertical direction being longer than the length in the vertical direction of the protruding plate portion, the substrate portion, and the substrate A weak portion formed in a connection region with the outlet plate portion, and a rib formed on the substrate portion along an edge of the opening portion from an upper end portion and a lower end portion of the weak portion. It is a mounting structure of a vehicle canister.

また、前記脆弱部は、前記基板部と前記突出板部との連結領域に開口形成されたスリットと、前記スリットの上端部側及び下端部側で前記突出板部の上端部及び下端部を前記基板部に連結する連結片とを備えて構成される。   The fragile portion includes a slit formed in a connection region between the substrate portion and the protruding plate portion, and an upper end portion and a lower end portion of the protruding plate portion on the upper end portion side and the lower end portion side of the slit. And a connecting piece connected to the substrate portion.

また、前記連結片の板厚寸法を前記基板部の板厚寸法よりも小さくした。   The plate thickness dimension of the connecting piece is made smaller than the plate thickness dimension of the substrate portion.

而して、発明の実施態様によれば、ダッシュパネルのエンジンルーム側にキャニスタを取付ける場合に、ダッシュパネルにブラケットを取付ける。ブラケットには、ダッシュパネルに固定される基板部と、基板部からエンジンルーム側に突出する左右一対の突出板部とを形成する。突出板部は、その突出先端部が互いに近づくように傾斜する。また、基板部のうち、対をなす突出板部同士の内側部分には、外側縁が各突出板部の基部に沿い且つ突出板部の上下方向の長さよりも上下方向の長さが長い開口部を形成する。また、基板部と突出板部との連結領域には脆弱部を形成する。また、基板部には、脆弱部の上端部及び下端部から開口部の縁に沿ってリブを形成する。一方、キャニスタの外周面には取付部を形成し、その取付部をブラケットの基板部と突出板部とで囲まれる空間に挿入する。このように突出板部の基部に沿って開口部を形成することにより、突出板部と基板部との連結断面積を小さくして、突出板部の基部の強度を低下させることができる。また、基板部と突出板部との連結領域に脆弱部を形成することにより、突出板部の基部の強度を更に低下させることができる。これに対し、脆弱部の上端部及び下端部から開口部の縁に沿ってリブを形成することにより、脆弱部の上端部及び下端部と開口部とをリブによって補強して弾性変形を抑制することができる。従って、車両が車両前方から外力を受け、エンジンルーム内の部品がダッシュパネル側に移動し、キャニスタと接触すると、脆弱部とリブとの間に強度差によって脆弱部に応力集中が生じ易くなる。そして、脆弱部を起点にして突出板部を基板部から破断させることが可能となる。その結果、キャニスタと周辺部品とが接触した際、キャニスタがブラケットから離脱し、キャニスタを外力から保護することができる。また、キャニスタの取付部をブラケットの突出板部と基板部との間の空間に差し込む際、リブが取付部を突出板部に案内する。そのため、エンジンルームの奥まった位置にあるダッシュパネルにキャニスタを取付ける場合であっても、リブによってキャニスタをブラケットに取付け易くなり、キャニスタの組み付け性を高めることができる。   Thus, according to the embodiment of the present invention, when the canister is attached to the engine room side of the dash panel, the bracket is attached to the dash panel. The bracket is formed with a substrate portion fixed to the dash panel and a pair of left and right protruding plate portions protruding from the substrate portion toward the engine room. The protruding plate portions are inclined so that the protruding tip portions approach each other. Further, in the inner part of the pair of projecting plate portions among the substrate portions, an opening is provided with an outer edge along the base of each projecting plate portion and having a vertical length longer than the vertical length of the projecting plate portion. Forming part. Moreover, a weak part is formed in the connection area | region of a board | substrate part and a protrusion board part. Moreover, a rib is formed in the board | substrate part along the edge of an opening part from the upper end part and lower end part of a weak part. On the other hand, a mounting portion is formed on the outer peripheral surface of the canister, and the mounting portion is inserted into a space surrounded by the substrate portion and the protruding plate portion of the bracket. Thus, by forming the opening along the base of the protruding plate portion, the connection cross-sectional area between the protruding plate portion and the substrate portion can be reduced, and the strength of the base portion of the protruding plate portion can be reduced. Moreover, the strength of the base portion of the protruding plate portion can be further reduced by forming the fragile portion in the connection region between the substrate portion and the protruding plate portion. In contrast, by forming ribs along the edge of the opening from the upper end and lower end of the fragile portion, the upper end and lower end of the fragile portion and the opening are reinforced with ribs to suppress elastic deformation. be able to. Therefore, when the vehicle receives an external force from the front of the vehicle, and the parts in the engine room move to the dash panel side and come into contact with the canister, stress concentration easily occurs in the fragile portion due to a difference in strength between the fragile portion and the rib. Then, the protruding plate portion can be broken from the substrate portion with the fragile portion as a starting point. As a result, when the canister and peripheral parts come into contact, the canister can be detached from the bracket, and the canister can be protected from external force. Further, when the mounting portion of the canister is inserted into the space between the protruding plate portion of the bracket and the substrate portion, the rib guides the mounting portion to the protruding plate portion. Therefore, even when the canister is attached to the dash panel in the deep position of the engine room, the canister can be easily attached to the bracket by the rib, and the canister can be easily assembled.

また、突出板部と基板部との連結領域にスリットを開口形成し、スリットの上端部側と下端部側で突出板部の上端部及び下端部を連結片によって基板部に連結する。これにより、突出板部と基板部との連結断面積をより一層小さくすることができ、突出板部の基部で確実に応力集中が発生する。その結果、キャニスタと周辺部品とが接触した際、連結片を破断させてキャニスタをブラケットから離脱し、キャニスタを外力から保護することができる。   In addition, a slit is formed in the connection region between the protruding plate portion and the substrate portion, and the upper end portion and the lower end portion of the protruding plate portion are connected to the substrate portion by connecting pieces on the upper end portion side and the lower end portion side of the slit. Thereby, the connection cross-sectional area of the protruding plate portion and the substrate portion can be further reduced, and the stress concentration is surely generated at the base portion of the protruding plate portion. As a result, when the canister and peripheral parts come into contact with each other, the connecting piece can be broken to remove the canister from the bracket, thereby protecting the canister from an external force.

また、連結片の板厚寸法を基板部の板厚寸法よりも小さくしたことにより、連結片の強度を基板部の強度より低くすることができる。その結果、キャニスタと周辺部品とが接触した際、連結片を破断させて突出板部と基板部とを確実に分離することができ、キャニスタをブラケットから離脱することで、キャニスタを外力から保護することができる。   Moreover, the strength of the connecting piece can be made lower than the strength of the substrate portion by making the thickness of the connecting piece smaller than the thickness of the substrate portion. As a result, when the canister and peripheral components come into contact, the connecting piece can be broken to reliably separate the protruding plate portion and the substrate portion, and the canister is protected from external force by removing the canister from the bracket. be able to.

本発明の車両用キャニスタの取付構造の一実施形態が適用された車両前部の平面図である。1 is a plan view of a front portion of a vehicle to which an embodiment of a vehicle canister mounting structure of the present invention is applied. 図１の車両前部の側面図である。It is a side view of the vehicle front part of FIG. 図１の車両前部におけるキャニスタ及びブラケットの斜視図である。It is a perspective view of the canister and bracket in the vehicle front part of FIG. 図３のブラケットの正面図である。It is a front view of the bracket of FIG. 図４のＸ−Ｘ断面図である。It is XX sectional drawing of FIG. 図４のＹ−Ｙ断面図である。It is YY sectional drawing of FIG. 図１の車両前部に外力が作用した場合に平面図である。It is a top view when an external force acts on the vehicle front part of FIG.

次に、本発明の車両用キャニスタの取付構造の一実施形態について図面を参照しながら説明する。図１は、本実施形態の車両用キャニスタの取付構造が適用された車両前部の平面図、図２は、図１の車両前部の側面図である。本実施形態の車両は、車両前方にエンジンルーム１を有し、このエンジンルーム１内に、エンジン２や変速機３などを備えて構成されるパワーユニットが収納されている。エンジンルーム１と車室とはダッシュパネル４で区画されている。即ち、エンジンルーム１の車両後方にはダッシュパネル４が配置されている。   Next, an embodiment of a mounting structure for a vehicle canister according to the present invention will be described with reference to the drawings. FIG. 1 is a plan view of a front portion of a vehicle to which the mounting structure for a vehicle canister of the present embodiment is applied, and FIG. 2 is a side view of the front portion of the vehicle in FIG. The vehicle of the present embodiment has an engine room 1 in front of the vehicle, and a power unit configured to include an engine 2, a transmission 3, and the like is accommodated in the engine room 1. The engine room 1 and the vehicle compartment are partitioned by a dash panel 4. In other words, a dash panel 4 is disposed behind the vehicle in the engine room 1.

燃料を貯留する燃料タンクは、車室の車両後方に配置されている。燃料タンク内或いは燃料タンクの近傍には燃料ポンプが配置されており、燃料タンク内の燃料は燃料ポンプによって燃料配管に送り込まれる。燃料配管５は、フロアパネルの下方を通り、車両前方部に向けて配置され、ダッシュパネル４の下方からエンジンルーム１内の上方に向けて立ち上げられている。この燃料配管５は、エンジン２に接続されているが、その接続部から分岐された燃料蒸気ホース７がキャニスタ６に接続されている。キャニスタ６は、燃料蒸気を吸着して捕獲し、更にそれをパージしてスロットルバルブに供給するためのものである。このキャニスタ６は、ブラケット８を介してダッシュパネル４に取付けられている。   A fuel tank for storing fuel is disposed behind the vehicle in the passenger compartment. A fuel pump is disposed in the fuel tank or in the vicinity of the fuel tank, and the fuel in the fuel tank is sent to the fuel pipe by the fuel pump. The fuel pipe 5 passes through the lower part of the floor panel, is arranged toward the front part of the vehicle, and is raised from the lower part of the dash panel 4 toward the upper part in the engine room 1. The fuel pipe 5 is connected to the engine 2, and a fuel vapor hose 7 branched from the connection portion is connected to the canister 6. The canister 6 is for adsorbing and capturing fuel vapor, further purging it and supplying it to the throttle valve. The canister 6 is attached to the dash panel 4 via a bracket 8.

図３は、図１の車両前部におけるキャニスタ６及びブラケット８の斜視図、図４は、図３のブラケット８の正面図、図５は、図４のＸ−Ｘ断面図、図６は、図４のＹ−Ｙ断面図である。本実施形態では、ダッシュパネル４にブラケット８を固定し、そのブラケット８にキャニスタ６を取付けることで、キャニスタ６をダッシュパネル４に取付ける構造としている。ブラケット８は、自身をダッシュパネル４に固定するための基板部９を有する。ブラケット８全体は、例えば樹脂成形による一体ものであり、凡そ方形の全体部が基板部９を構成する。この基板部９には、ダッシュパネル４に固定するためのボス部１０が３カ所設けられ、夫々に座面部１１と貫通穴１２が形成されている。基板部９をダッシュパネル４に固定する際には、各ボス部１０の貫通穴１２にボルトなどの締結具を挿入し、座面部１１に締結具を締め付けて固定する。   3 is a perspective view of the canister 6 and the bracket 8 at the front portion of the vehicle in FIG. 1, FIG. 4 is a front view of the bracket 8 in FIG. 3, FIG. 5 is a cross-sectional view along XX in FIG. It is YY sectional drawing of FIG. In the present embodiment, the bracket 8 is fixed to the dash panel 4 and the canister 6 is attached to the bracket 8 so that the canister 6 is attached to the dash panel 4. The bracket 8 has a substrate portion 9 for fixing itself to the dash panel 4. The entire bracket 8 is an integral part, for example, formed by resin molding, and an approximately square overall part constitutes the substrate part 9. The board portion 9 is provided with three boss portions 10 for fixing to the dash panel 4, and a seat surface portion 11 and a through hole 12 are formed respectively. When the board portion 9 is fixed to the dash panel 4, a fastener such as a bolt is inserted into the through hole 12 of each boss portion 10, and the fastener is tightened and fixed to the seat surface portion 11.

この基板部９の車両幅方向中央部には、車両幅方向で左右一対の突出板部１３が、上下に一対ずつ設けられている。この突出板部１３は、基板部９と一体に樹脂成形されたものであり、基板部９からエンジンルーム１内に突出するようにして上下方向に長手な方形に形成されている。この突出板部１３の各対では、左右の突出板部１３の突出端部が互いに接近するように各突出板部１３が基板部９に対して傾斜している。また、本実施形態では、上側対の突出板部１３の間隔よりも下側対の突出板部１３の間隔が次第に幅狭になるように上下方向にも傾斜している。   A pair of left and right projecting plate portions 13 in the vehicle width direction is provided at the center of the substrate portion 9 in the vehicle width direction. The protruding plate portion 13 is formed by resin molding integrally with the substrate portion 9 and is formed in a rectangular shape that is vertically elongated so as to protrude from the substrate portion 9 into the engine room 1. In each pair of the protruding plate portions 13, the protruding plate portions 13 are inclined with respect to the substrate portion 9 so that the protruding end portions of the left and right protruding plate portions 13 approach each other. Further, in the present embodiment, it is also inclined in the vertical direction so that the interval between the lower pair of protruding plate portions 13 is gradually narrower than the interval between the upper pair of protruding plate portions 13.

一方、キャニスタ６の外周面のうち、ダッシュパネル４側の面には、前記ブラケット８の突出板部１３と基板部９との間の空間に挿入される取付部１４が形成されている。この取付部１４は、例えば図５、図６に示すように、突出端部が車両幅方向外側広がりで且つ上下方向に連続する一対の脚部形状であり、その傾斜外側面が前記突出板部１３の傾斜内側面に支持され、突出先端部が基板部９に支持されるように構成されている。なお、この取付部１４には、図示しない下端壁部が形成されており、基板部９のうち、対をなす突出板部１３間の下方には受け部１５が形成されている。そのため、ブラケット８の突出板部１３と基板部９との間の空間にキャニスタ６の取付部１４を上方から下方に向けて所定位置まで差し込むと、基板部９の受け部１５がキャニスタ６の下端壁部に接触し、キャニスタ６を支持する構成となっている。また、基板部９のうち、前記受け部１５の上方には、図示しないキャニスタ６の外周面の支持部を押さえる押え部１６が形成されている。   On the other hand, of the outer peripheral surface of the canister 6, a mounting portion 14 to be inserted into the space between the protruding plate portion 13 of the bracket 8 and the substrate portion 9 is formed on the surface on the dash panel 4 side. For example, as shown in FIGS. 5 and 6, the mounting portion 14 has a pair of leg portions whose protruding end portions extend outward in the vehicle width direction and are continuous in the vertical direction, and the inclined outer surface thereof is the protruding plate portion. 13 is supported by the inclined inner side surface, and the projecting tip is supported by the substrate portion 9. Note that a lower end wall portion (not shown) is formed on the mounting portion 14, and a receiving portion 15 is formed below the base plate portion 9 between the pair of protruding plate portions 13. Therefore, when the mounting portion 14 of the canister 6 is inserted into the space between the protruding plate portion 13 of the bracket 8 and the substrate portion 9 from the upper side to the lower side to the predetermined position, the receiving portion 15 of the substrate portion 9 becomes the lower end of the canister 6. The wall portion is in contact with the canister 6. In addition, a pressing portion 16 that presses a support portion on the outer peripheral surface of the canister 6 (not shown) is formed above the receiving portion 15 in the substrate portion 9.

また、ブラケット８の基板部９のうち、対をなす突出板部１３の内側には、上下方向に長手な方形の開口部１７が車両幅方向に並んで２つ一対に形成されている。各開口部１７は、車両幅方向外側縁が、車両幅方向何れか、つまり右側か左側の突出板部１３の基部に沿うようにして、車両幅方向何れか、つまり右側の突出板部１３の基部同士、或いは左側の突出板部１３の基部同士を連絡し、更に上側の突出板部１３の上方及び下側の突出板部１３の下方まで延長されている。つまり、各開口部１７の上下方向長さは、突出板部１３の上下方向長さより長い。なお、各開口部１７の上下方向中間部には、各開口部１７の車両幅方向両側縁を連結するように連結部１８が形成されている。この連結部１８によって、特に各開口部１７の上下方向中央部の変形が抑制される。   Further, in the base plate part 9 of the bracket 8, two rectangular openings 17 that are long in the vertical direction are formed in pairs in the vehicle width direction inside the pair of protruding plate parts 13. Each of the openings 17 has an outer edge in the vehicle width direction along the base of the protruding plate portion 13 on the right side or the left side in either the vehicle width direction, that is, on the protruding plate portion 13 on the right side or the right side. The bases or the bases of the left protruding plate 13 are connected to each other, and further extended to the upper side of the upper protruding plate 13 and the lower side of the lower protruding plate 13. That is, the vertical length of each opening 17 is longer than the vertical length of the protruding plate 13. In addition, the connection part 18 is formed in the up-down direction intermediate part of each opening part 17 so that the vehicle width direction both-sides edge of each opening part 17 may be connected. By this connecting portion 18, the deformation of the central portion in the vertical direction of each opening portion 17 is particularly suppressed.

また、基板部９と各突出板部１３との連結領域には脆弱部１９が形成されている。この脆弱部１９は、基板部９と突出板部１３との連結領域に開口形成されたスリット２０と、スリット２０の上端部側及び下端部側で突出板部１３の上端部及び下端部を基板部９に連結する連結片２１とを備えて構成される。このうち、スリット２０は、上下方向に長手な突出板部１３の基部に沿って上下方向に長手に形成されている。また、連結片２１の板厚寸法は、基板部９の板厚寸法より小さく、つまり薄板である。前述のように、基板部９と各突出板部１３との連結領域には、各突出板部１３の基部に沿って上下方向に長手な開口部１７が形成されているため、基板部９よりも強度が低い。これに加え、更に基板部９と各突出板部１３との連結領域にスリット２０を開口形成し、その上下端部の連結片２１の板厚寸法を基板部９の板厚寸法より小さくして脆弱部１９を形成しているため、より一層、突出板部１３の基部の強度が低下する。   Further, a fragile portion 19 is formed in a connection region between the substrate portion 9 and each protruding plate portion 13. The fragile portion 19 has a slit 20 formed in the connection region between the substrate portion 9 and the protruding plate portion 13, and the upper end portion and the lower end portion of the protruding plate portion 13 on the upper end side and the lower end side of the slit 20. And a connecting piece 21 connected to the portion 9. Among these, the slit 20 is formed in the vertical direction along the base of the protruding plate portion 13 that is long in the vertical direction. In addition, the plate thickness dimension of the connecting piece 21 is smaller than the plate thickness dimension of the substrate portion 9, that is, a thin plate. As described above, in the connection region between the substrate portion 9 and each protruding plate portion 13, the vertical opening 17 is formed along the base portion of each protruding plate portion 13. Is also low in strength. In addition to this, a slit 20 is formed in the connection region between the substrate portion 9 and each protruding plate portion 13, and the plate thickness dimension of the connecting piece 21 at the upper and lower ends is made smaller than the plate thickness dimension of the substrate portion 9. Since the fragile portion 19 is formed, the strength of the base portion of the protruding plate portion 13 is further reduced.

これに対し、脆弱部１９の上端部及び下端部からは、開口部１７の縁、つまり外側縁に沿ってリブ２２が形成されている。このリブ２２は、基板部９から突出板部１３と同じ側、つまりエンジンルーム１側に向けて突出されており、開口部１７の外側縁に沿っていることから、上下方向に長手である。このリブ２２は、開口部１７の外側縁における基板部９の強度を向上するためのものであるが、一方で、キャニスタ６の取付部１４を基板部９と突出板部１３との間の空間に挿入する際の案内ともなる。即ち、例えば図６に示すように、突出板部１３の基部において、開口部１７の外側縁に沿うように上下方向に形成されたリブ２２は、キャニスタ６の取付部１４の突出端部を車両幅方向外側から規制することになるから、取付部１４はリブ２２によって突出板部１３の車両幅方向内側に案内される。そのため、キャニスタ６をブラケット８に組み付ける際には、リブ２２が取付部１４を突出板部１３と基板部９との間の空間に案内し、組み付け性が向上する。   On the other hand, ribs 22 are formed from the upper end and the lower end of the fragile portion 19 along the edge of the opening 17, that is, the outer edge. The rib 22 protrudes from the board portion 9 toward the same side as the protruding plate portion 13, that is, toward the engine room 1, and is longitudinal in the vertical direction because it is along the outer edge of the opening 17. The rib 22 is for improving the strength of the substrate portion 9 at the outer edge of the opening portion 17. On the other hand, the mounting portion 14 of the canister 6 is a space between the substrate portion 9 and the protruding plate portion 13. It also serves as a guide when inserting into the. That is, for example, as shown in FIG. 6, the rib 22 formed in the vertical direction along the outer edge of the opening 17 at the base of the protruding plate 13 forms the protruding end of the mounting portion 14 of the canister 6 on the vehicle. Since the regulation is performed from the outside in the width direction, the mounting portion 14 is guided to the inside in the vehicle width direction of the protruding plate portion 13 by the rib 22. Therefore, when the canister 6 is assembled to the bracket 8, the rib 22 guides the attachment portion 14 to the space between the protruding plate portion 13 and the substrate portion 9, and the assemblability is improved.

前述のように、キャニスタ６をブラケット８に組み付ける際には、取付部１４を突出板部１３と基板部９との間の空間に挿入する。ブラケット８にキャニスタ６を取付けている状態では、受け部１５はキャニスタ６の重みを受けているだけである。また、押え部１６は取付部１４の車両幅方向外側面を突出板部１３の車両幅方向内側面に押し付けているだけである。そのため、キャニスタ６の移動を規制しているのは突出板部１３のみである。ところが、開口部１７の車両幅方向外縁部を突出板部１３の基部に沿わせて上下方向に長手な開口部１７を形成しているため、突出板部１３と基板部９との連結部の強度は低い。更に、突出板部１３と基板部９との連結領域にスリット２０を開口形成し、スリット２０の上下端部の連結片２１の板厚寸法を基板部９の板厚寸法より小さくして脆弱部１９を形成しているため、突出板部１３と基板部９との連結領域の強度は更に低くなっている。そのため、キャニスタ６に外力が作用すると、突出板部１３が基板部９との連結領域において破断する。   As described above, when the canister 6 is assembled to the bracket 8, the attachment portion 14 is inserted into the space between the protruding plate portion 13 and the substrate portion 9. In a state where the canister 6 is attached to the bracket 8, the receiving portion 15 only receives the weight of the canister 6. Further, the presser portion 16 merely presses the vehicle width direction outer side surface of the attachment portion 14 against the vehicle width direction inner side surface of the protruding plate portion 13. Therefore, only the protruding plate portion 13 regulates the movement of the canister 6. However, since the opening 17 that is long in the vertical direction is formed along the vehicle width direction outer edge portion of the opening 17 along the base of the protruding plate 13, the connecting portion between the protruding plate 13 and the substrate portion 9 is formed. The strength is low. Further, a slit 20 is formed in the connection region between the protruding plate portion 13 and the substrate portion 9, and the plate thickness dimension of the connecting piece 21 at the upper and lower end portions of the slit 20 is made smaller than the plate thickness dimension of the substrate portion 9 so as to be a fragile portion. 19 is formed, the strength of the connection region between the protruding plate portion 13 and the substrate portion 9 is further reduced. For this reason, when an external force is applied to the canister 6, the protruding plate portion 13 is broken in the connection region with the substrate portion 9.

図７は、車両前方（斜め前方）から外力が作用し、エンジン２がキャニスタ６に車両斜め前方から接触した状態を示した平面図である。このようにキャニスタ６にエンジン２（エンジン２以外の周辺部品でも同じ）が接触すると、キャニスタ６に外力が作用し、前述のように突出板部１３が基板部９との連結領域において破断し、キャニスタ６がブラケット８から離脱する。その結果、エンジン２が接触したキャニスタ６はブラケット８から離脱して保護される。   FIG. 7 is a plan view showing a state in which an external force is applied from the front of the vehicle (obliquely forward) and the engine 2 is in contact with the canister 6 from obliquely forward of the vehicle. When the engine 2 (the same applies to peripheral parts other than the engine 2) contacts the canister 6 as described above, an external force acts on the canister 6, and the protruding plate portion 13 breaks in the connection region with the substrate portion 9 as described above. The canister 6 is detached from the bracket 8. As a result, the canister 6 in contact with the engine 2 is detached from the bracket 8 and protected.

このように本実施形態の車両用キャニスタの取付構造では、ダッシュパネル４のエンジンルーム１側にキャニスタ６を取付ける場合に、ダッシュパネル４にブラケット８を取付ける。ブラケット８には、ダッシュパネル４に固定される基板部９と、基板部９からエンジンルーム１側に突出する左右一対の突出板部１３とを形成する。突出板部１３は、その突出先端部が互いに近づくように傾斜する。また、基板部９のうち、対をなす突出板部１３同士の内側部分には、外側縁が各突出板部１３の基部に沿い且つ突出板部１３の上下方向の長さよりも上下方向の長さが長い一対の開口部１７を形成する。また、基板部９と突出板部１３との連結領域には脆弱部１９を形成する。また、基板部９には、脆弱部１９の上端部及び下端部から開口部１７の縁に沿ってリブ２２を形成する。一方、キャニスタ６の外周面には取付部１４を形成し、その取付部１４をブラケット８の基板部９と突出板部１３とで囲まれる空間に挿入する。このように突出板部１３の基部に沿って開口部１７を形成することにより、突出板部１３と基板部９との連結断面積を小さくして、突出板部１３の基部の強度を低下させることができる。また、基板部９と突出板部１３との連結領域に脆弱部１９を形成することにより、突出板部１３の基部の強度を更に低下させることができる。これに対し、脆弱部１９の上端部及び下端部から開口部１７の縁に沿ってリブ２２を形成することにより、脆弱部１９の上端部及び下端部と開口部１７とをリブ２２によって補強して弾性変形を抑制することができる。従って、車両が車両前方から外力を受け、エンジンルーム１内のエンジン２など部品がダッシュパネル４側に移動し、キャニスタ６と接触すると、脆弱部１９とリブ２２との間に強度差によって脆弱部１９に応力集中が生じ易くなる。そして、脆弱部１９を起点にして突出板部１３を基板部９から破断させることが可能となる。その結果、キャニスタ６と周辺部品とが接触した際、キャニスタ６がブラケット８から離脱し、キャニスタ６を外力から保護することができる。また、キャニスタ６の取付部１４をブラケット８の突出板部１３と基板部９との間の空間に差し込む際、リブ２２が取付部１４を突出板部１３に案内する。そのため、エンジンルーム１の奥まった位置にあるダッシュパネル４にキャニスタ６を取付ける場合であっても、リブ２２によってキャニスタ６をブラケット８に取付け易くなり、キャニスタ６の組み付け性を高めることができる。   Thus, in the vehicle canister mounting structure of the present embodiment, the bracket 8 is attached to the dash panel 4 when the canister 6 is attached to the engine room 1 side of the dash panel 4. The bracket 8 is formed with a substrate portion 9 fixed to the dash panel 4 and a pair of left and right protruding plate portions 13 protruding from the substrate portion 9 toward the engine room 1 side. The protruding plate part 13 is inclined so that the protruding tip parts approach each other. Further, in the inner portion of the pair of protruding plate portions 13 of the substrate portion 9, the outer edge is along the base of each protruding plate portion 13 and is longer in the vertical direction than the vertical length of the protruding plate portion 13. A pair of long openings 17 are formed. Further, a fragile portion 19 is formed in a connection region between the substrate portion 9 and the protruding plate portion 13. Further, ribs 22 are formed on the substrate portion 9 along the edge of the opening portion 17 from the upper end portion and the lower end portion of the fragile portion 19. On the other hand, a mounting portion 14 is formed on the outer peripheral surface of the canister 6, and the mounting portion 14 is inserted into a space surrounded by the substrate portion 9 and the protruding plate portion 13 of the bracket 8. By forming the opening 17 along the base of the protruding plate 13 in this way, the connection cross-sectional area between the protruding plate 13 and the substrate 9 is reduced, and the strength of the base of the protruding plate 13 is reduced. be able to. Further, by forming the fragile portion 19 in the connection region between the substrate portion 9 and the protruding plate portion 13, the strength of the base portion of the protruding plate portion 13 can be further reduced. In contrast, the rib 22 is formed from the upper end and the lower end of the fragile portion 19 along the edge of the opening 17 to reinforce the upper end and the lower end of the fragile portion 19 and the opening 17 by the rib 22. Thus, elastic deformation can be suppressed. Therefore, when the vehicle receives an external force from the front of the vehicle, and the parts such as the engine 2 in the engine room 1 move to the dash panel 4 side and contact with the canister 6, the weak part is caused by the strength difference between the weak part 19 and the rib 22. Stress concentration tends to occur at 19. Then, the protruding plate portion 13 can be broken from the substrate portion 9 with the fragile portion 19 as a starting point. As a result, when the canister 6 and peripheral parts come into contact with each other, the canister 6 can be detached from the bracket 8 to protect the canister 6 from an external force. Further, when the mounting portion 14 of the canister 6 is inserted into the space between the protruding plate portion 13 of the bracket 8 and the substrate portion 9, the rib 22 guides the mounting portion 14 to the protruding plate portion 13. Therefore, even when the canister 6 is attached to the dash panel 4 in the deep position of the engine room 1, the canister 6 can be easily attached to the bracket 8 by the ribs 22, and the canister 6 can be easily assembled.

また、突出板部１３と基板部９との連結領域にスリット２０を開口形成し、スリット２０の上端部側と下端部側で突出板部１３の上端部及び下端部を連結片２１によって基板部９に連結する。これにより、突出板部１３と基板部９との連結断面積をより一層小さくすることができ、突出板部１３の基部で確実に応力集中が発生する。その結果、キャニスタ６と周辺部品とが接触した際、連結片２１を破断させてキャニスタ６をブラケット８から離脱し、キャニスタ６を外力から保護することができる。   Further, a slit 20 is formed in the connecting region between the protruding plate portion 13 and the substrate portion 9, and the upper end portion and the lower end portion of the protruding plate portion 13 are connected by the connecting piece 21 on the upper end side and the lower end portion side of the slit 20. 9 is connected. Thereby, the connection cross-sectional area of the protruding plate portion 13 and the substrate portion 9 can be further reduced, and the stress concentration is surely generated at the base portion of the protruding plate portion 13. As a result, when the canister 6 and peripheral parts come into contact with each other, the connecting piece 21 can be broken and the canister 6 can be detached from the bracket 8 to protect the canister 6 from external force.

また、連結片２１の板厚寸法を基板部９の板厚寸法よりも小さくしたことにより、連結片２１の強度を基板部９の強度より低くすることができる。その結果、キャニスタ６と周辺部品とが接触した際、連結片２１を破断させて突出板部１３と基板部９とを確実に分離することができ、キャニスタ６をブラケット８から離脱することで、キャニスタ６を外力から保護することができる。   Further, by making the plate thickness dimension of the connecting piece 21 smaller than the plate thickness dimension of the substrate portion 9, the strength of the connecting piece 21 can be made lower than the strength of the substrate portion 9. As a result, when the canister 6 and peripheral parts come into contact with each other, the connecting piece 21 can be broken to reliably separate the protruding plate portion 13 and the substrate portion 9. By separating the canister 6 from the bracket 8, The canister 6 can be protected from external force.

なお、前記実施形態では、左右一対の突出板部１３を基板部９の上下方向に二対設けたが、突出板部１３の対数は、これに限定されるものではない。必要なのは、互いに突出端部が近づくように傾斜する突出板部が対で形成されていることである。   In the above embodiment, two pairs of left and right protruding plate portions 13 are provided in the vertical direction of the substrate portion 9, but the logarithm of the protruding plate portions 13 is not limited to this. What is required is that the protruding plate portions that are inclined so that the protruding end portions approach each other are formed in pairs.

また、基板部９の上下方向に二対設けた突出板部１３を連結するように上下方向に長手な開口部１７を左右に一つずつ一対設けたが、開口部１７は、例えば各突出板部１３の対に対応するように形成してもよい。必要なのは、外縁部が突出板部の基部に沿うように開口部を形成することである。   In addition, a pair of opening portions 17 that are long in the vertical direction are provided so as to connect the two protruding plate portions 13 provided in the vertical direction of the substrate portion 9. It may be formed so as to correspond to the pair of portions 13. What is required is to form the opening so that the outer edge is along the base of the protruding plate.

１ エンジンルーム
２ エンジン
３ 変速機
４ ダッシュパネル
５ 燃料配管
６ キャニスタ
７ 燃料蒸気ホース
８ ブラケット
９ 基板部
１０ ボス部
１１ 座面部
１２ 貫通穴
１３ 突出板部
１４ 取付部
１５ 受け部
１６ 押え部
１７ 開口部
１８ 連結部
１９ 脆弱部
２０ スリット
２１ 連結片
２２ リブ DESCRIPTION OF SYMBOLS 1 Engine room 2 Engine 3 Transmission 4 Dash panel 5 Fuel piping 6 Canister 7 Fuel vapor hose 8 Bracket 9 Substrate part 10 Boss part 11 Seat surface part 12 Through-hole 13 Projection plate part 14 Attachment part 15 Receiving part 16 Holding part 17 Opening part 18 connecting part 19 weak part 20 slit 21 connecting piece 22 rib

Claims (3)

燃料蒸気を吸着して捕獲する車両用キャニスタの取付構造において、
エンジンルームの車両後方に配置されるダッシュパネルと、
前記ダッシュパネルに取付けられるブラケットと、
前記ブラケットに形成され、前記ダッシュパネルに固定される基板部と、
前記基板部から前記エンジンルーム側に突出するように形成され、互いに突出先端部が近づくように傾斜する左右一対の突出板部と、
前記キャニスタの外周面に形成され、前記基板部と前記突出板部とで囲まれる空間に挿入される取付部と、
前記一対の突出板部の夫々の基部に沿って前記基板部のうち前記一対の突出板部同士の内側部分に形成され、上下方向の長さが前記突出板部の上下方向の長さよりも長い開口部と、
前記基板部と前記突出板部との連結領域に形成された脆弱部と、
前記脆弱部の上端部及び下端部から前記開口部の縁に沿って前記基板部に形成されたリブと
を備えたことを特徴とする車両用キャニスタの取付構造。 In the mounting structure of a vehicle canister that adsorbs and captures fuel vapor,
A dash panel placed behind the vehicle in the engine room;
A bracket attached to the dash panel;
A board portion formed on the bracket and fixed to the dash panel;
A pair of left and right protruding plate portions that are formed so as to protrude from the base plate portion toward the engine room, and incline so that the protruding tip portions approach each other;
An attachment portion formed on an outer peripheral surface of the canister and inserted into a space surrounded by the substrate portion and the protruding plate portion;
Along the respective bases of the pair of protruding plate portions, formed in the inner part of the pair of protruding plate portions of the substrate portion, the vertical length is longer than the vertical length of the protruding plate portion An opening,
A fragile portion formed in a connection region between the substrate portion and the protruding plate portion;
A canister mounting structure for a vehicle, comprising: ribs formed on the substrate portion along the edge of the opening from the upper end and the lower end of the fragile portion. 前記脆弱部は、
前記基板部と前記突出板部との連結領域に開口形成されたスリットと、
前記スリットの上端部側及び下端部側で前記突出板部の上端部及び下端部を前記基板部に連結する連結片と
を備えて構成されることを特徴とする請求項１に記載の車両用キャニスタの取付構造。 The vulnerable part is
A slit formed in a connection region between the substrate portion and the protruding plate portion;
2. The vehicle according to claim 1, further comprising: a connecting piece that connects an upper end portion and a lower end portion of the protruding plate portion to the base plate portion on an upper end portion side and a lower end portion side of the slit. Canister mounting structure. 前記連結片の板厚寸法を前記基板部の板厚寸法よりも小さくしたことを特徴とする請求項２に記載の車両用キャニスタの取付構造。   The mounting structure for a vehicle canister according to claim 2, wherein a plate thickness dimension of the connecting piece is smaller than a plate thickness dimension of the substrate portion.
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IN431CH2014 IN2014CH00431A (en) 2013-02-18 2014-01-30
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DE102014200520B4 (en) 2015-09-03

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