JP6269252B2 - Cover member - Google Patents

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JP6269252B2
JP6269252B2 JP2014070437A JP2014070437A JP6269252B2 JP 6269252 B2 JP6269252 B2 JP 6269252B2 JP 2014070437 A JP2014070437 A JP 2014070437A JP 2014070437 A JP2014070437 A JP 2014070437A JP 6269252 B2 JP6269252 B2 JP 6269252B2
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opening
cover
cross member
fitting portion
cover body
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JP2015189443A (en
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健夫 水口
健夫 水口
康雄 秋本
康雄 秋本
大 大内
大 大内
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Mitsubishi Motors Corp
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Description

本発明は、カバー部材に関する。   The present invention relates to a cover member.

従来より、エンジン及びトランスミッションを含むパワーユニットの前後ロールを抑制するため、パワーユニットの下部を、前後方向に延びるロッド部材を介してサスペンションクロスメンバーに連結した構造が知られている。サスペンションクロスメンバーは、車幅方向に延びる中空状に形成されており、ロッド部材は、サスペンションクロスメンバーに設けられた開口部から挿入されてサスペンションクロスメンバーの内部に連結される(例えば特許文献1参照)。   2. Description of the Related Art Conventionally, a structure in which a lower portion of a power unit is connected to a suspension cross member via a rod member extending in the front-rear direction in order to suppress front-rear rolls of the power unit including an engine and a transmission is known. The suspension cross member is formed in a hollow shape extending in the vehicle width direction, and the rod member is inserted from an opening provided in the suspension cross member and coupled to the interior of the suspension cross member (see, for example, Patent Document 1). ).

このようなサスペンションクロスメンバーでは、ロッド部材との干渉を回避するために、開口部にはロッド部材の変位を許容できるだけの隙間が確保されている。そのため、走行時に巻き上げられる土砂や氷雪等の異物がサスペンションクロスメンバーの内部空間内に侵入するという問題があった。サスペンションクロスメンバー内に土砂や氷雪等の異物が浸入すると、堆積した土砂や氷雪等によってロッド部材の動作が阻害されてしまう虞がある。   In such a suspension cross member, in order to avoid interference with the rod member, a clearance that allows the displacement of the rod member is secured in the opening. For this reason, there has been a problem that foreign matters such as earth and sand and ice and snow rolled up during traveling enter the internal space of the suspension cross member. If foreign matter such as earth and sand or ice and snow enters the suspension cross member, the operation of the rod member may be hindered by accumulated earth and sand, ice and snow, or the like.

そこで、開口部から内部空間内へ土砂や氷雪等の異物が侵入することを防止するため、開口部にカバー部材を設けたものがある。このようなカバー部材としては、ゴム状弾性材から構成され、ロッド部材が挿通される貫通孔を備えて開口部の周縁に複数のピン等によって固定したものがある(例えば特許文献2参照)。   Therefore, in order to prevent foreign matter such as earth and sand or snow and ice from entering the internal space from the opening, there is one in which a cover member is provided in the opening. As such a cover member, there is a cover member that is made of a rubber-like elastic material, has a through hole through which a rod member is inserted, and is fixed to the periphery of the opening by a plurality of pins or the like (see, for example, Patent Document 2).

特開2007−253642号公報JP 2007-253642 A 特開2010−216631号公報JP 2010-216631 A

ところで、サスペンションクロスメンバーには、走行時の路面反力等による振動や応力が常に作用する。そして、開口部付近は、剛性が落ちるためサスペンションクロスメンバーの他の部位に比べて変形し易く、応力も集中しやすい箇所である。そのため、開口部に設けられるカバー部材にも、これら応力が作用し悪影響を及ぼす虞があった。例えば、特許文献2に記載のカバー部材では、カバー部材をサスペンションクロスメンバーに固定するための係合ピンや係合ピンの周縁に応力が集中し、破壊が引き起こされて脱落する可能性があると考えられる。もちろん、サスペンションクロスメンバーの開口部の周囲を補強部材で補強することで開口部の変形を抑制することは可能であるが、この場合、コストや重量が増加してしまう。特に、燃費を向上させるために車両の軽量化が図られている近年では、得策ではなく、改善の余地があった。   By the way, the suspension cross member is constantly subjected to vibrations and stresses caused by road surface reaction force during traveling. In addition, the vicinity of the opening is a portion where the rigidity is lowered, so that the portion is more easily deformed than the other portions of the suspension cross member and stress is easily concentrated. For this reason, there is a possibility that these stresses may act on the cover member provided in the opening to adversely affect the cover member. For example, in the cover member described in Patent Document 2, stress concentrates on the engagement pin for fixing the cover member to the suspension cross member and the periphery of the engagement pin, and there is a possibility that the breakage may occur and the cover member may fall off. Conceivable. Of course, it is possible to suppress deformation of the opening by reinforcing the periphery of the opening of the suspension cross member with a reinforcing member, but in this case, cost and weight increase. In particular, in recent years when the weight of vehicles has been reduced in order to improve fuel efficiency, there has been room for improvement rather than a good measure.

本発明は、このような問題を解決するためになされたもので、クロスメンバーのロッド部材が挿通される開口部からの土砂や氷雪等の異物の浸入を阻止するとともに開口部の変形を抑制することができるカバー部材を提供することを目的とする。   The present invention has been made to solve such problems, and prevents entry of foreign matter such as earth and sand, ice and snow from the opening through which the rod member of the cross member is inserted, and suppresses deformation of the opening. An object of the present invention is to provide a cover member that can be used.

上記目的を達成するための第1の態様は、ロッド部材が開口部から挿入されて揺動可能に連結される車両のクロスメンバーに設けられ、前記ロッド部材と前記開口部との隙間を塞いで前記クロスメンバーへの異物の侵入を阻止するカバー部材であって、前記ロッド部材が挿通される貫通孔、及び前記開口部に嵌合される筒状の嵌合部を有するカバー本体と、前記カバー本体の前記嵌合部の内部に埋設され、前記カバー本体より剛性が高く前記嵌合部を補強する中間部材と、を具備することを特徴とするカバー部材にある。   A first mode for achieving the above object is provided in a cross member of a vehicle in which a rod member is inserted from an opening and connected so as to be swingable, and closes a gap between the rod member and the opening. A cover member for preventing foreign matter from entering the cross member, the cover main body having a through hole through which the rod member is inserted, and a cylindrical fitting portion fitted into the opening, and the cover An intermediate member that is embedded in the fitting portion of the main body and has higher rigidity than the cover main body and reinforces the fitting portion.

かかる第1の態様では、嵌合部を開口部に嵌合することでカバー部材を開口部に取り付けて開口部からの異物の侵入を防ぐことができる。しかも筒状の嵌合部内部に、カバー本体より剛性の高い補強のための中間部材が設けられているため、嵌合部の剛性が向上して嵌合部の変形が抑制される。そのため、カバー部材を開口部に取り付けるだけで開口部の変形を抑制することができる。したがって、コストや重量の著しい増加を伴わずともクロスメンバーの開口部周りの剛性を向上させることができる。さらに嵌合部の剛性が向上し、開口部の変形が抑制されることでカバー部材が開口部から外れて脱落することを抑制することができる。   In the first aspect, by fitting the fitting portion into the opening, the cover member can be attached to the opening and foreign matter can be prevented from entering from the opening. And since the intermediate member for reinforcement with rigidity higher than a cover main body is provided in the cylindrical fitting part, the rigidity of a fitting part improves and a deformation | transformation of a fitting part is suppressed. Therefore, the deformation of the opening can be suppressed only by attaching the cover member to the opening. Therefore, the rigidity around the opening of the cross member can be improved without a significant increase in cost and weight. Furthermore, the rigidity of the fitting portion is improved, and the deformation of the opening portion is suppressed, so that the cover member can be prevented from being detached from the opening portion and falling off.

本発明の第2の態様は、前記クロスメンバーの前記開口部が多角形状に形成されるとともに、前記カバー本体の前記嵌合部が前記開口部の形状に合わせた多角形状に形成され、前記中間部材は、前記嵌合部の少なくとも角部に対応して埋設されていることを特徴とするカバー部材にある。   According to a second aspect of the present invention, the opening of the cross member is formed in a polygonal shape, and the fitting portion of the cover body is formed in a polygonal shape that matches the shape of the opening. The member is in a cover member that is embedded corresponding to at least a corner of the fitting portion.

かかる第2の態様では、中間部材が、嵌合部の少なくとも角部に対応して配置されているため、嵌合部において応力が集中しやすい角部の剛性を中間部材によって向上させることができる。よって、確実に嵌合部の剛性を向上でき、開口部の変形を抑制することができる。   In the second aspect, since the intermediate member is arranged corresponding to at least the corner of the fitting portion, the rigidity of the corner portion where stress tends to concentrate in the fitting portion can be improved by the intermediate member. . Therefore, the rigidity of the fitting portion can be reliably improved, and the deformation of the opening can be suppressed.

本発明の第3の態様は、前記中間部材は、前記開口部の形状に合わせて、前記嵌合部の全周に亘って連続的に埋設されていることを特徴とするカバー部材にある。   According to a third aspect of the present invention, in the cover member, the intermediate member is continuously embedded over the entire circumference of the fitting portion in accordance with the shape of the opening.

かかる第3の態様では、中間部材が嵌合部の全周に亘って連続的に設けられているため、嵌合部が嵌合される開口部の周縁に沿って全周に亘って確実に嵌合部の剛性を向上させることができる。よって、開口部の変形をより確実に抑制することができる。   In this 3rd aspect, since the intermediate member is continuously provided over the perimeter of the fitting part, it is reliably over the perimeter along the periphery of the opening part by which a fitting part is fitted. The rigidity of the fitting portion can be improved. Therefore, the deformation of the opening can be more reliably suppressed.

本発明の第4の態様は、前記カバー本体は、前記クロスメンバーの外側で前記開口部と対向して設けられ、前記嵌合部の一端側を塞ぐ板状のカバー部を有し、前記カバー部に前記貫通孔が形成されるとともに前記貫通孔の縁部に切込部が設けられることを特徴とするカバー部材にある。   According to a fourth aspect of the present invention, the cover main body has a plate-like cover portion that is provided on the outer side of the cross member so as to face the opening, and closes one end side of the fitting portion. The cover member is characterized in that the through hole is formed in the part and a notch is provided in an edge of the through hole.

かかる第4の態様では、切込部を基点としてカバー部の貫通孔の縁部が変形しやすくなるため、ロッド部材を貫通孔に挿通する際に、貫通孔を一時的に大きく拡げた状態で挿入することができる。そのため、カバー部材を組み付ける際の作業性が向上される。また、ロッド部材の動きに追従して貫通孔の縁部が変形するので、ロッド部材の揺動を妨げずに貫通孔を極力小さく設定することができる。   In the fourth aspect, since the edge portion of the through hole of the cover portion is easily deformed with the cut portion as a base point, when the rod member is inserted into the through hole, the through hole is temporarily greatly expanded. Can be inserted. Therefore, workability when assembling the cover member is improved. Further, since the edge of the through hole is deformed following the movement of the rod member, the through hole can be set as small as possible without disturbing the swinging of the rod member.

本発明の第5の態様は、前記カバー本体は、前記クロスメンバーの外側の端部で前記カバー本体の外周方向に突出するフランジ状に形成されて前記開口部の周縁に当接するストッパー部と、前記ストッパー部と反対側の端部において、前記カバー本体の外周方向に突出され、前記クロスメンバーの内側で前記開口部の周縁に係止される係止部と、を備え、前記嵌合部が前記開口部に嵌合された状態で、前記ストッパー部と前記係止部とで前記開口部の周縁が挟持されることを特徴とするカバー部材にある。   According to a fifth aspect of the present invention, the cover main body is formed in a flange shape protruding in the outer peripheral direction of the cover main body at an outer end portion of the cross member, and a stopper portion that comes into contact with a peripheral edge of the opening portion; A locking portion that protrudes in an outer peripheral direction of the cover body at an end opposite to the stopper portion and is locked to a peripheral edge of the opening inside the cross member, and the fitting portion The cover member is characterized in that a periphery of the opening is sandwiched between the stopper portion and the locking portion in a state of being fitted to the opening.

かかる第5の態様では、カバー本体の開口部内への移動を規制するとともに、嵌合部の外れを抑制することができ、より確実かつ強固にカバー部材を開口部に取り付けることができる。   In the fifth aspect, the movement of the cover main body into the opening can be restricted, and the fitting member can be prevented from coming off, and the cover member can be attached to the opening more securely and firmly.

本発明の第6の態様は、前記クロスメンバーは、車両のサスペンションを支持するサスペンションクロスメンバーであり、前記ロッド部材は、車両のパワーユニットの前後ロールを抑制するロールロッドであることを特徴とするカバー部材にある。   According to a sixth aspect of the present invention, in the cover, the cross member is a suspension cross member that supports a suspension of the vehicle, and the rod member is a roll rod that suppresses front and rear rolls of a power unit of the vehicle. In the member.

かかる第6の態様では、サスペンションクロスメンバーのロールロッドが挿通される開口部からの異物の侵入を防ぐことができる。そして、コストや重量を増やさずにサスペンションクロスメンバーの開口部周りの剛性を向上させることができる。さらに嵌合部の剛性が向上し、サスペンションクロスメンバーの開口部の変形が抑制されることでカバー部材が開口部から外れて脱落することを抑制することができる。   In the sixth aspect, foreign matter can be prevented from entering from the opening through which the roll rod of the suspension cross member is inserted. And the rigidity around the opening of the suspension cross member can be improved without increasing the cost and weight. Furthermore, the rigidity of the fitting portion is improved, and the deformation of the opening portion of the suspension cross member is suppressed, so that the cover member can be prevented from being detached from the opening portion and falling off.

本発明によれば、組み付けが簡単で、耐久性に優れ、クロスメンバーのロッド部材が挿通される開口部からの土砂や氷雪等の異物の浸入を阻止するとともに開口部の変形を抑制することができるカバー部材が提供される。   According to the present invention, it is easy to assemble, has excellent durability, prevents entry of foreign matter such as earth and sand, ice and snow from the opening through which the rod member of the cross member is inserted, and suppresses deformation of the opening. A cover member is provided.

本実施形態に係るカバー部材が設けられる車両下部の概略構成を示す図。The figure which shows schematic structure of the vehicle lower part provided with the cover member which concerns on this embodiment. 本実施形態に係るカバー部材が設けられる部分を示す拡大斜視図。The expansion perspective view which shows the part in which the cover member which concerns on this embodiment is provided. 本実施形態に係るカバー部材が設けられる部分を示す断面図。Sectional drawing which shows the part in which the cover member which concerns on this embodiment is provided. 本実施形態に係るカバー部材に関する概略構成を示す図。The figure which shows schematic structure regarding the cover member which concerns on this embodiment. 本実施形態に係るカバー部材に関する概略構成を示す図。The figure which shows schematic structure regarding the cover member which concerns on this embodiment. 他の実施形態に係るカバー部材に関する概略構成を示す図。The figure which shows schematic structure regarding the cover member which concerns on other embodiment.

以下、本発明の実施形態について適宜図面を参照しつつ説明する。
(実施形態1)
図1は、本発明の実施形態1に係るカバー部材が設けられる車両下部の概略構成を示す図である。
Embodiments of the present invention will be described below with reference to the drawings as appropriate.
(Embodiment 1)
FIG. 1 is a diagram illustrating a schematic configuration of a lower part of a vehicle provided with a cover member according to Embodiment 1 of the present invention.

車両1の前部に位置するエンジンルームには、エンジン及びトランスミッションを含むパワーユニット2が搭載されている。走行時の振動等によるパワーユニットの前後ロールを抑制するため、パワーユニットの下部には車両1の前後方向に延設されるロッド部材(ロールロッド3)の一端側の端部が連結されるとともに、ロールロッド3の反対側の端部が、中空状に形成されるサスペンションクロスメンバー4の開口部5から挿通され揺動可能に連結されている。尚、サスペンションクロスメンバー4は、車両1の下部において車体フレームの左右各側部を構成して車体の長手方向に延設された一対のサイドメンバー6に取り付けられている。サスペンションクロスメンバー4の車幅方向両端には、サスペンション装置7のロアアーム8が揺動可能に連結されており、ロアアーム8の先端に、前輪9を支持するナックル10が回動可能に連結されている。図示は省略するものの、サスペンションクロスメンバー4には、パワーステアリングユニットやスタビライザー等が搭載されている。   A power unit 2 including an engine and a transmission is mounted in an engine room located in the front portion of the vehicle 1. In order to suppress the front / rear roll of the power unit due to vibration during traveling, the end of one end side of the rod member (roll rod 3) extending in the front / rear direction of the vehicle 1 is connected to the lower part of the power unit, and the roll The opposite end of the rod 3 is inserted through the opening 5 of the suspension cross member 4 formed in a hollow shape, and is coupled so as to be swingable. The suspension cross member 4 is attached to a pair of side members 6 that constitute the left and right sides of the vehicle body frame at the lower part of the vehicle 1 and extend in the longitudinal direction of the vehicle body. The lower arm 8 of the suspension device 7 is swingably connected to both ends of the suspension cross member 4 in the vehicle width direction, and the knuckle 10 that supports the front wheel 9 is rotatably connected to the tip of the lower arm 8. . Although illustration is omitted, the suspension cross member 4 is mounted with a power steering unit, a stabilizer and the like.

ここで、サスペンションクロスメンバー4には、走行時の路面反力等による振動や応力が常に作用する。そして、開口部5付近は、剛性が落ちるためサスペンションクロスメンバー4の他の部位に比べて変形し易く、応力も集中しやすい箇所である。このような開口部5に、本実施形態に係るカバー部材11が設けられている。これによれば、サスペンションクロスメンバー4の開口部5からの土砂や氷雪等の異物の浸入を阻止するとともに、開口部5の変形を抑制することができる。   Here, the suspension cross member 4 is constantly subjected to vibration and stress due to road surface reaction force during traveling. The vicinity of the opening 5 is a portion where the rigidity is lowered, so that the portion is more easily deformed than the other portions of the suspension cross member 4 and stress is easily concentrated. A cover member 11 according to the present embodiment is provided in such an opening 5. According to this, it is possible to prevent foreign matters such as earth and sand and ice and snow from entering the opening 5 of the suspension cross member 4 and to suppress deformation of the opening 5.

図2及び図3は、本実施形態のカバー部材が設けられるサスペンションクロスメンバーの開口部近傍を示す図である。このうち、図2は開口部近傍の斜視図であり、図3は開口部近傍を水平方向に沿って切断した断面図である。   2 and 3 are views showing the vicinity of the opening of the suspension cross member provided with the cover member of the present embodiment. 2 is a perspective view of the vicinity of the opening, and FIG. 3 is a cross-sectional view of the vicinity of the opening along the horizontal direction.

サスペンションクロスメンバー4は上記のように中空状、すなわち上側鋼板製部材4a及び下側鋼板製部材4bによって内部空間部12を有するように構成されており、かかる内部空間部12において、サスペンションクロスメンバー4の開口部5から挿通されたロールロッド3の一端側がブッシュ13を介して揺動可能に連結されている。ここでは、ブッシュ13は、軸芯方向を上下方向とした円筒状を成し、ボルト等の締結部材でサスペンションクロスメンバー4に軸支されている。なお、ロールロッド3のサスペンションクロスメンバー4の開口部5とは反対側の端部も同様にブッシュ14を介してパワーユニット2に連結されている。これら、ブッシュ13,14を設けることで、ロールロッド3がサスペンションクロスメンバー4およびパワーユニット2に対して揺動可能とされるとともに、パワーユニット2からサスペンションクロスメンバー4への振動の伝達を抑制するよう構成されている。   The suspension cross member 4 is hollow as described above, that is, is configured to have the internal space portion 12 by the upper steel plate member 4a and the lower steel plate member 4b, and in this internal space portion 12, the suspension cross member 4 is configured. One end side of the roll rod 3 inserted through the opening 5 is connected through a bush 13 so as to be swingable. Here, the bush 13 has a cylindrical shape whose axial direction is the vertical direction, and is supported on the suspension cross member 4 by a fastening member such as a bolt. The end of the roll rod 3 opposite to the opening 5 of the suspension cross member 4 is similarly connected to the power unit 2 via the bush 14. By providing the bushes 13 and 14, the roll rod 3 can swing with respect to the suspension cross member 4 and the power unit 2, and the transmission of vibration from the power unit 2 to the suspension cross member 4 is suppressed. Has been.

ただし、ロールロッド3の両端側をサスペンションクロスメンバー4やパワーユニット2に連結する手段はブッシュに限定されない。ブッシュによってロールロッド3を軸支する場合であっても、ブッシュの軸芯方向は限定されず、車幅方向に並行な方向とされてもよい。このように、ロールロッド3と、サスペンションクロスメンバー4やパワーユニット2と、の連結の態様は、パワーユニット2の前後ロールを抑制でき、また、サスペンションクロスメンバー4及びロールロッド3の干渉を回避できる限りにおいて限定されない。   However, the means for connecting both ends of the roll rod 3 to the suspension cross member 4 and the power unit 2 is not limited to the bush. Even when the roll rod 3 is pivotally supported by the bush, the axial direction of the bush is not limited, and may be a direction parallel to the vehicle width direction. Thus, the mode of connection between the roll rod 3 and the suspension cross member 4 and the power unit 2 is as long as the front and rear rolls of the power unit 2 can be suppressed and interference between the suspension cross member 4 and the roll rod 3 can be avoided. It is not limited.

ここで、カバー部材11は、サスペンションクロスメンバー4の開口部5に揺動可能に連結されるロールロッド3と該開口部5との隙間を塞いでサスペンションクロスメンバー4内への異物の侵入を阻止するためのものとして構成されている。   Here, the cover member 11 blocks the gap between the opening 5 and the roll rod 3 that is swingably connected to the opening 5 of the suspension cross member 4 and prevents foreign matter from entering the suspension cross member 4. It is configured to be

図4(a)〜(c)及び図5(a)〜(b)は、本実施形態のカバー部材に関する概略構成を示す図である。このうち、図4(a)は、カバー部材の斜視図であり、図4(b)は、カバー部材の平面図であり、図4(c)は、カバー部材の上面図である。また、図5(a)は、図4(b)のA−A線に準ずる断面図であり、図5(b)は、カバー部材における中間部材の斜視図である。   4 (a) to 4 (c) and FIGS. 5 (a) to 5 (b) are diagrams showing a schematic configuration relating to the cover member of the present embodiment. 4A is a perspective view of the cover member, FIG. 4B is a plan view of the cover member, and FIG. 4C is a top view of the cover member. 5A is a cross-sectional view corresponding to the line AA in FIG. 4B, and FIG. 5B is a perspective view of an intermediate member in the cover member.

図示するように、本実施形態のカバー部材11は、ロールロッド3が挿通される貫通孔15、及び開口部5に嵌合される筒状の嵌合部16を有するカバー本体17と、カバー本体17の嵌合部16の内部に埋設され、カバー本体17より剛性が高く嵌合部16を補強する中間部材18と、を具備するように構成されている。   As shown in the figure, the cover member 11 of the present embodiment includes a cover body 17 having a through hole 15 through which the roll rod 3 is inserted, and a cylindrical fitting portion 16 fitted into the opening 5, and a cover body. And an intermediate member 18 that is embedded in the fitting portion 16 and has higher rigidity than the cover body 17 and reinforces the fitting portion 16.

これによれば、嵌合部16を開口部5に嵌合することでカバー部材11を開口部5に取り付けて、開口部5からサスペンションクロスメンバー4の内部空間部12への土砂や氷雪等の異物の侵入を防ぐことができる。尚、嵌合部16は、開口部5の形状に対応する筒状を有しており、開口部5の周縁5aに密着可能に構成されていればよい。   According to this, the cover member 11 is attached to the opening portion 5 by fitting the fitting portion 16 into the opening portion 5, such as earth and sand, ice and snow, etc. from the opening portion 5 to the internal space portion 12 of the suspension cross member 4. Intrusion of foreign matter can be prevented. In addition, the fitting part 16 has a cylindrical shape corresponding to the shape of the opening 5, and may be configured to be able to be in close contact with the peripheral edge 5 a of the opening 5.

しかも、本実施形態のカバー部材11によれば、筒状の嵌合部16内部に、カバー本体17より剛性の高い補強のための中間部材18が埋設されているため、嵌合部16の剛性が向上して嵌合部16の変形が抑制される。よって、カバー部材11を開口部5に取り付けるだけで、開口部5の変形を抑制することができる。したがって、コストや重量の著しい増加を伴わずともサスペンションクロスメンバー4の開口部5周りの剛性を向上させることができる。燃費を向上させるために車両の軽量化が図られている近年の技術背景にも合致することとなる。   Moreover, according to the cover member 11 of the present embodiment, the intermediate member 18 for reinforcement having higher rigidity than the cover main body 17 is embedded in the cylindrical fitting portion 16, so that the rigidity of the fitting portion 16 is increased. And the deformation of the fitting portion 16 is suppressed. Therefore, the deformation of the opening 5 can be suppressed only by attaching the cover member 11 to the opening 5. Therefore, the rigidity around the opening 5 of the suspension cross member 4 can be improved without significant increase in cost and weight. This also matches the recent technical background in which the weight of the vehicle is being reduced in order to improve fuel efficiency.

さらに、本実施形態のカバー部材11によれば、中間部材18によって嵌合部16の剛性の向上が図られているため、開口部5の変形が抑制されることでカバー部材11が開口部5から外れて脱落することを抑制することができる。   Furthermore, according to the cover member 11 of the present embodiment, since the rigidity of the fitting portion 16 is improved by the intermediate member 18, the deformation of the opening portion 5 is suppressed, whereby the cover member 11 is opened. It can suppress falling off and falling off.

カバー部材11の嵌合部16の形状は、該カバー部材11の取り付け対象となる開口部5の形状や他の部材との干渉等に応じて適宜設計することができる。本実施形態では、カバー部材11の嵌合部16は、サスペンションクロスメンバー4の開口部5の形状、ロールロッド3の揺動領域、ロールロッド3をサスペンションクロスメンバー4に連結するブッシュ13の存在等を考慮して、その形状が設計されている。   The shape of the fitting portion 16 of the cover member 11 can be appropriately designed according to the shape of the opening 5 to which the cover member 11 is attached, interference with other members, and the like. In the present embodiment, the fitting portion 16 of the cover member 11 includes the shape of the opening 5 of the suspension cross member 4, the swing region of the roll rod 3, the presence of a bush 13 that connects the roll rod 3 to the suspension cross member 4, and the like. The shape is designed in consideration of the above.

例えば、本実施形態では、サスペンションクロスメンバー4の開口部5が台形状に形成されており、カバー本体17の嵌合部16が、その開口部5の形状に合わせた台形状に形成されている。サスペンションクロスメンバー4の開口部5の形状は台形状に限定されず、多角形状であればよく、勿論、円形状であってもよい。つまり、カバー部材11を開口部5に装着したときに嵌合部16が開口部5の周縁5aに密着するよう、嵌合部16がサスペンションクロスメンバー4の開口部5の形状に合わせた形状とされていればよい。本実施形態では、中間部材18は嵌合部16の全周に亘って連続的に設けられており、これによれば、嵌合部16が嵌合される開口部5の周縁5aに沿って全周に亘って確実に嵌合部16の剛性を向上させることができる。よって、開口部5の変形をより確実に抑制することができる。   For example, in this embodiment, the opening 5 of the suspension cross member 4 is formed in a trapezoidal shape, and the fitting portion 16 of the cover body 17 is formed in a trapezoidal shape that matches the shape of the opening 5. . The shape of the opening 5 of the suspension cross member 4 is not limited to a trapezoidal shape, but may be a polygonal shape, and of course may be a circular shape. That is, when the cover member 11 is attached to the opening 5, the fitting portion 16 has a shape that matches the shape of the opening 5 of the suspension cross member 4 so that the fitting portion 16 comes into close contact with the peripheral edge 5 a of the opening 5. It only has to be done. In this embodiment, the intermediate member 18 is continuously provided over the entire circumference of the fitting portion 16, and according to this, along the peripheral edge 5 a of the opening 5 to which the fitting portion 16 is fitted. The rigidity of the fitting part 16 can be improved reliably over the entire circumference. Therefore, the deformation of the opening 5 can be more reliably suppressed.

カバー本体17はゴム材料を用いて構成されているが、その構成材料は前記の例に限定されず、また、カバー本体17のすべてについてゴム材料が用いられる必要もない。必要に応じて弾性を有しない材料を併用するようにしてもよい。弾性を有しない材料としては、例えばナイロン材料やウレタン材料が挙げられる。これらが適宜配合されることで、カバー本体の軽量性、耐水性、及び耐摩耗性等の各種性能を適宜調節できるようになる。   Although the cover main body 17 is configured using a rubber material, the constituent material is not limited to the above example, and the rubber material does not need to be used for all of the cover main body 17. You may make it use together the material which does not have elasticity as needed. Examples of materials that do not have elasticity include nylon materials and urethane materials. By appropriately blending these, various performances such as lightness, water resistance, and wear resistance of the cover main body can be appropriately adjusted.

また、中間部材18は金属材料を用いて構成されているが、その構成材料である金属材料についても限定されず、銅、SUS、アルミ等を用いることができ、これらを複合した複合金属や、他の金属種で処理した金属についても用いることができる。中間部材18に関しても、その構成材料のすべてについて金属材料が用いられる必要はなく、必要に応じて金属以外の材料を併用するようにしてもよい。   Moreover, although the intermediate member 18 is configured using a metal material, the metal material that is the component material is not limited, and copper, SUS, aluminum, or the like can be used. Metals treated with other metal species can also be used. Regarding the intermediate member 18, it is not necessary to use metal materials for all of the constituent materials, and materials other than metals may be used in combination as necessary.

また、カバー本体17は、サスペンションクロスメンバー4の外側で開口部5と対向して設けられ、嵌合部16の一端側を塞ぐ板状のカバー部19を有するように構成されている。つまり、カバー本体17には、カバー部材11を開口部5に嵌め合わせたときにサスペンションクロスメンバー4の内部空間部12とは反対に位置する側に、上記のカバー部19が設けられている。そして、このカバー部19に上記の貫通孔15が形成されるとともに貫通孔15の縁部15aに切込部20が設けられている。   Further, the cover body 17 is provided so as to face the opening 5 on the outside of the suspension cross member 4 and has a plate-like cover portion 19 that closes one end side of the fitting portion 16. That is, the cover body 19 is provided with the cover portion 19 on the side opposite to the inner space portion 12 of the suspension cross member 4 when the cover member 11 is fitted into the opening 5. In addition, the through hole 15 is formed in the cover portion 19, and a cut portion 20 is provided in the edge portion 15 a of the through hole 15.

これによれば、切込部20を基点としてカバー部19の貫通孔15の縁部15aが変形しやすくなるため、ロールロッド3を貫通孔15に挿通する際に、貫通孔15を一時的に大きく拡げた状態で挿入することができる。そのため、カバー部材11を組み付ける際の作業性が向上される。更に、ロールロッド3の動きに追従して貫通孔15の縁部15aが変形するので、ロールロッド3の揺動を妨げずに貫通孔15を極力小さく設定することができる。特に、カバー部19が板状であることで、貫通孔15の縁部15aを容易に変形させることが可能となっている。   According to this, since the edge 15a of the through hole 15 of the cover part 19 is easily deformed from the notch 20 as a base point, when the roll rod 3 is inserted into the through hole 15, the through hole 15 is temporarily set. Can be inserted in a greatly expanded state. Therefore, the workability when assembling the cover member 11 is improved. Furthermore, since the edge 15a of the through hole 15 is deformed following the movement of the roll rod 3, the through hole 15 can be set as small as possible without disturbing the swing of the roll rod 3. Particularly, since the cover portion 19 is plate-shaped, the edge portion 15a of the through hole 15 can be easily deformed.

尚、本実施形態において、貫通孔15は四角形状に形成されているが、貫通孔15の形状は限定されず、サスペンションクロスメンバー4及びロールロッド3の干渉を回避でき、また、サスペンションクロスメンバー4のロールロッド3が挿通される開口部5からの土砂や氷雪等の異物の浸入を阻止できる限りにおいて限定されない。さらに、本実施形態において、切込部20は、貫通孔15の縁部15aの下側(図4(b)の下側)の角部にそれぞれ1箇所ずつ、貫通孔15の縁部15aの上側(図4(b)の上側)の角部の間に1箇所、の計3箇所に形成されているが、切込部の数、位置、及び大きさ等の態様も制限されず、カバー本体17の強度が過度に低下しない範囲であればよい。   In the present embodiment, the through hole 15 is formed in a square shape, but the shape of the through hole 15 is not limited, and interference between the suspension cross member 4 and the roll rod 3 can be avoided, and the suspension cross member 4 The present invention is not limited as long as foreign matter such as earth and sand, ice and snow can be prevented from entering through the opening 5 through which the roll rod 3 is inserted. Further, in the present embodiment, the notch 20 is provided at one of the corners on the lower side (lower side in FIG. 4B) of the edge 15a of the through-hole 15 and the edge 15a of the through-hole 15. It is formed in three places, one place between the corners on the upper side (upper side in FIG. 4B), but the aspect such as the number, position, and size of the incisions is not limited, and the cover What is necessary is just the range in which the intensity | strength of the main body 17 does not fall excessively.

また、カバー本体17は、サスペンションクロスメンバー4の外側の端部でカバー本体17の外周方向に突出するフランジ状に形成されて開口部5の周縁5aに当接するストッパー部21と、ストッパー部21と反対側の端部において、カバー本体17の外周方向に突出され、サスペンションクロスメンバー4の内側で開口部5の周縁5aに係止される係止部22と、を備え、嵌合部16が開口部5に嵌合された状態で、ストッパー部21と係止部22とで開口部5の周縁5aが挟持されるように構成されている。   Further, the cover body 17 is formed in a flange shape projecting in the outer peripheral direction of the cover body 17 at the outer end portion of the suspension cross member 4, and a stopper portion 21 that contacts the peripheral edge 5 a of the opening 5, A locking portion 22 that protrudes in the outer peripheral direction of the cover body 17 at the opposite end and is locked to the peripheral edge 5a of the opening 5 inside the suspension cross member 4, and the fitting portion 16 opens. The periphery 5 a of the opening 5 is sandwiched between the stopper portion 21 and the locking portion 22 while being fitted to the portion 5.

これによれば、カバー本体17の開口部5内への移動を規制するとともに、嵌合部16の外れを抑制することができ、より確実かつ強固にカバー部材11を開口部5に取り付けることができる。カバー部材11の装着時においては、係止部22を押し縮めながら徐々にカバー部材11を開口部5に嵌め合わせていき、係止部22が開口部5の周縁5aを乗り越えたとき、押し縮められた係止部22が元に戻ることで、カバー部材11が開口部5の周縁5aに係止されることとなる。このとき、ストッパー部21と係止部22とで開口部5の周縁5aが挟持されるようになる。   According to this, the movement of the cover main body 17 into the opening 5 can be restricted, the detachment of the fitting part 16 can be suppressed, and the cover member 11 can be attached to the opening 5 more securely and firmly. it can. When the cover member 11 is mounted, the cover member 11 is gradually fitted into the opening 5 while the locking portion 22 is pressed and contracted, and when the locking portion 22 gets over the peripheral edge 5 a of the opening 5, the cover member 11 is compressed. The cover member 11 is locked to the peripheral edge 5 a of the opening 5 by returning the locking portion 22 to the original position. At this time, the peripheral edge 5 a of the opening 5 is sandwiched between the stopper portion 21 and the locking portion 22.

このようなストッパー部21や係止部22は、カバー本体17に一体形成して構成されており、これによりストッパー部21や係止部22とカバー本体17との接続強度を向上させることができるが、前記の例に限定されない。例えば、ストッパー部21や係止部22をカバー本体17とは別部材として構成し、これをカバー本体17に取り付けるような構成としてもよい。   Such a stopper portion 21 and the locking portion 22 are formed integrally with the cover main body 17, whereby the connection strength between the stopper portion 21 and the locking portion 22 and the cover main body 17 can be improved. However, it is not limited to the above example. For example, the stopper portion 21 and the locking portion 22 may be configured as separate members from the cover main body 17 and attached to the cover main body 17.

また、中間部材18は、貫通孔15の軸芯方向Lにカバー本体17よりも突出する突出部18aを具備するように構成されている。上記のようにカバー本体17が弾性材料を用いて構成されている関係上、外周面側から内周面側に圧力が付与されることでカバー本体17が弾性変形し、その弾性変形の分だけ、カバー本体17が初期状態と比べて軸芯方向Lに長くなる。一方、突出部18aを具備することで、弾性変形時に長くなるカバー本体17をも支持できるようになる。   Further, the intermediate member 18 is configured to include a protruding portion 18 a that protrudes from the cover main body 17 in the axial direction L of the through hole 15. Since the cover body 17 is configured using an elastic material as described above, the cover body 17 is elastically deformed by applying pressure from the outer peripheral surface side to the inner peripheral surface side. The cover body 17 is longer in the axial direction L than in the initial state. On the other hand, by providing the projecting portion 18a, the cover body 17 that is long during elastic deformation can be supported.

(他の実施形態)
図6(a)〜(b)は、他の実施形態に係るカバー部材に関する概略構成を示す平面図である。図6(a)に示すカバー部材11Aのように、中間部材28が、開口部5の形状に合わせて、嵌合部16の全周に亘って不連続的に埋設された構成とされていてもよい。具体的には、中間部材28が、嵌合部16の角部16a,16bに沿った折り曲げ部分を有する板状の第1中間部材28aと、嵌合部16の角部16c,16dに沿った折り曲げ部分を有する板状の第2中間部材28bと、からなる二分割型として構成されていてもよい。また、図6(b)に示すカバー部材11Bのように、中間部材29が、嵌合部16の角部16a〜16dに沿った折り曲げ部分をそれぞれ有する板状の第1中間部材29a、第2中間部材29b、第3中間部材29c、及び第4中間部材29dからなる四分割型として構成されていてもよい。
(Other embodiments)
6A to 6B are plan views showing a schematic configuration related to a cover member according to another embodiment. Like the cover member 11 </ b> A shown in FIG. 6A, the intermediate member 28 is configured to be discontinuously embedded over the entire circumference of the fitting portion 16 in accordance with the shape of the opening 5. Also good. Specifically, the intermediate member 28 extends along the plate-shaped first intermediate member 28 a having bent portions along the corners 16 a and 16 b of the fitting portion 16 and the corners 16 c and 16 d of the fitting portion 16. You may be comprised as a 2 part type | mold which consists of the plate-shaped 2nd intermediate member 28b which has a bending part. Further, like the cover member 11B shown in FIG. 6B, the intermediate member 29 has plate-shaped first intermediate members 29a and 2b each having a bent portion along the corners 16a to 16d of the fitting portion 16. You may be comprised as a quadrant type which consists of the intermediate member 29b, the 3rd intermediate member 29c, and the 4th intermediate member 29d.

すなわち、サスペンションクロスメンバー4の開口部5が多角形状に形成される場合に、中間部材が、嵌合部16の少なくとも角部に対応して埋設されるように構成されていればよい。これによれば、中間部材が、嵌合部16の少なくとも角部に対応して配置されているため、嵌合部16において応力が集中しやすい角部の剛性を中間部材によって向上させることができる。一方、中間部材が不連続的に嵌合部16に埋設されている分、カバー部材全体の弾性が向上したものとなり、開口部5の周縁5aへの着脱作業が容易となる。   In other words, when the opening 5 of the suspension cross member 4 is formed in a polygonal shape, the intermediate member may be configured to be embedded corresponding to at least the corner of the fitting portion 16. According to this, since the intermediate member is disposed corresponding to at least the corner portion of the fitting portion 16, the rigidity of the corner portion where stress is likely to concentrate in the fitting portion 16 can be improved by the intermediate member. . On the other hand, since the intermediate member is discontinuously embedded in the fitting part 16, the elasticity of the entire cover member is improved, and the attaching / detaching operation to the peripheral edge 5a of the opening part 5 becomes easy.

以上、本発明の各実施形態について説明したが、本発明の基本的な構成は上述したものに限定されるものではない。例えば、中間部材は、サスペンションクロスメンバー4のロールロッド3が挿通される開口部5からの土砂や氷雪等の異物の浸入を阻止するとともに開口部5の変形を抑制することができる範囲であれば、必ずしも嵌合部16の少なくとも角部に対応して配置されなくても構わない。   As mentioned above, although each embodiment of this invention was described, the fundamental structure of this invention is not limited to what was mentioned above. For example, the intermediate member is within a range that can prevent intrusion of foreign matter such as earth and sand, ice and snow from the opening 5 through which the roll rod 3 of the suspension cross member 4 is inserted and can suppress deformation of the opening 5. However, it does not necessarily have to be arranged corresponding to at least the corners of the fitting part 16.

以上、本発明の各実施形態について説明したが、本発明の基本的な構成は上述したものに限定されるものではない。例えば、カバー部材は、車両1のサスペンション装置7を支持するサスペンションクロスメンバー4の開口部5に取り付けられるものに限られず、ロアアーム8取り付け用の貫通孔にも適用可能である。   As mentioned above, although each embodiment of this invention was described, the fundamental structure of this invention is not limited to what was mentioned above. For example, the cover member is not limited to that attached to the opening 5 of the suspension cross member 4 that supports the suspension device 7 of the vehicle 1, and can be applied to a through hole for attaching the lower arm 8.

1 車両
2 パワーユニット
3 ロールロッド
4 サスペンションクロスメンバー
4a 上側鋼板製部材
4b 下側鋼板製部材
5 開口部
5a 周縁
6 サイドメンバー
7 サスペンション装置
8 ロアアーム
9 前輪
10 ナックル
11,11A,11B カバー部材
12 内部空間部
13,14 ブッシュ
15 貫通孔
15a 縁部
16 嵌合部
16a〜16d 角部
17 カバー本体
18 中間部材
18a 突出部
19 カバー部
20 切込部
21 ストッパー部
22 係止部
28,29 中間部材
28a,29a 第1中間部材
28b,29b 第2中間部材
29c 第3中間部材
29d 第4中間部材
DESCRIPTION OF SYMBOLS 1 Vehicle 2 Power unit 3 Roll rod 4 Suspension cross member 4a Upper steel plate member 4b Lower steel plate member 5 Opening part 5a Perimeter 6 Side member 7 Suspension device 8 Lower arm 9 Front wheel 10 Knuckles 11, 11A, 11B Cover member 12 Internal space part 13, 14 Bush 15 Through-hole 15a Edge portion 16 Fitting portion 16a to 16d Corner portion 17 Cover body 18 Intermediate member 18a Projecting portion 19 Cover portion 20 Notch portion 21 Stopper portion 22 Locking portions 28, 29 Intermediate members 28a, 29a First intermediate member 28b, 29b Second intermediate member 29c Third intermediate member 29d Fourth intermediate member

Claims (6)

ロッド部材が開口部から挿入されて揺動可能に連結される車両のクロスメンバーに設けられ、前記ロッド部材と前記開口部との隙間を塞いで前記クロスメンバーへの異物の侵入を阻止するカバー部材であって、
前記ロッド部材が挿通される貫通孔、及び前記開口部に嵌合される筒状の嵌合部を有するカバー本体と、
前記カバー本体の前記嵌合部の内部に埋設され、前記カバー本体より剛性が高く前記嵌合部を補強する中間部材と、
を具備することを特徴とするカバー部材。
A cover member that is provided on a cross member of a vehicle to which a rod member is inserted from an opening portion and is swingably connected, and that blocks a gap between the rod member and the opening portion to prevent foreign matter from entering the cross member. Because
A cover body having a through hole through which the rod member is inserted, and a cylindrical fitting portion fitted into the opening;
An intermediate member embedded in the fitting portion of the cover body and having a higher rigidity than the cover body and reinforcing the fitting portion;
The cover member characterized by comprising.
前記クロスメンバーの前記開口部が多角形状に形成されるとともに、前記カバー本体の前記嵌合部が前記開口部の形状に合わせた多角形状に形成され、
前記中間部材は、前記嵌合部の少なくとも角部に対応して埋設されていること
を特徴とする請求項1に記載のカバー部材。
The opening of the cross member is formed in a polygonal shape, and the fitting part of the cover body is formed in a polygonal shape that matches the shape of the opening,
The cover member according to claim 1, wherein the intermediate member is embedded corresponding to at least a corner portion of the fitting portion.
前記中間部材は、前記開口部の形状に合わせて、前記嵌合部の全周に亘って連続的に埋設されていること
を特徴とする請求項1又は2に記載のカバー部材。
The cover member according to claim 1 or 2, wherein the intermediate member is continuously embedded over the entire circumference of the fitting portion in accordance with the shape of the opening.
前記カバー本体は、前記クロスメンバーの外側で前記開口部と対向して設けられ、前記嵌合部の一端側を塞ぐ板状のカバー部を有し、
前記カバー部に前記貫通孔が形成されるとともに前記貫通孔の周縁部に切込部が設けられること
を特徴とする請求項1から3の何れか一項に記載のカバー部材。
The cover body is provided opposite to the opening on the outside of the cross member, and has a plate-like cover portion that closes one end side of the fitting portion,
The cover member according to any one of claims 1 to 3, wherein the through hole is formed in the cover portion, and a notch is provided in a peripheral portion of the through hole.
前記カバー本体は、前記クロスメンバーの外側の端部で前記カバー本体の外周方向に突出するフランジ状に形成されて前記開口部の周縁に当接するストッパー部と、
前記ストッパー部と反対側の端部において、前記カバー本体の外周方向に突出され、前記クロスメンバーの内側で前記開口部の周縁に係止される係止部と、を備え、
前記嵌合部が前記開口部に嵌合された状態で、前記ストッパー部と前記係止部とで前記開口部の周縁が挟持されること
を特徴とする請求項1から4の何れか一項に記載のカバー部材。
The cover body is formed in a flange shape projecting in the outer peripheral direction of the cover body at the outer end of the cross member, and a stopper portion that contacts the periphery of the opening;
At the end opposite to the stopper portion, it is projected in the outer peripheral direction of the cover body, and includes a locking portion locked to the periphery of the opening inside the cross member,
5. The peripheral edge of the opening is sandwiched between the stopper portion and the locking portion in a state where the fitting portion is fitted to the opening. 5. The cover member according to 1.
前記クロスメンバーは、車両のサスペンション装置を支持するサスペンションクロスメンバーであり、前記ロッド部材は、車両のパワーユニットの前後ロールを抑制するロールロッドであること
を特徴とする請求項1から5の何れか一項に記載のカバー部材。
The said cross member is a suspension cross member which supports the suspension apparatus of a vehicle, The said rod member is a roll rod which suppresses the front-back roll of the power unit of a vehicle, The any one of Claim 1 to 5 characterized by the above-mentioned. The cover member according to item.
JP2014070437A 2014-03-28 2014-03-28 Cover member Active JP6269252B2 (en)

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