JP4443364B2 - Shock absorber mounting structure - Google Patents

Shock absorber mounting structure Download PDF

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JP4443364B2
JP4443364B2 JP2004280995A JP2004280995A JP4443364B2 JP 4443364 B2 JP4443364 B2 JP 4443364B2 JP 2004280995 A JP2004280995 A JP 2004280995A JP 2004280995 A JP2004280995 A JP 2004280995A JP 4443364 B2 JP4443364 B2 JP 4443364B2
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shock absorber
hole
engaging
panel
interior material
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JP2006096061A (en
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貴彦 谷口
潤仁 足立
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Hayashi Telempu Corp
Toyota Motor Corp
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Hayashi Telempu Corp
Toyota Motor Corp
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Description

本発明は、自動車の車体パネルと内装材との間に取り付けられる衝撃吸収体の取付構造に関する。   The present invention relates to a shock absorber mounting structure that is mounted between a vehicle body panel and an interior material of an automobile.

従来より、車体パネルの乗員室側に、主に意匠性を付与する目的でフロアカーペットやドアトリムなどの内装材が配設されている。これらの車体パネルと内装材との間に、自動車事故などによる衝突時にエネルギーを吸収して乗員に加わる衝撃を緩和することを目的として、衝撃を吸収可能な材質からなる衝撃吸収体が配設されている。衝撃吸収体としては、ウレタンフォームや繊維成形体を適用することも可能であるが、ポリスチレン樹脂やポリプロピレン樹脂の粒子に発泡剤を配合し、所要のキャビティを有する成形型にこれらを充填し、蒸気などにより加熱発泡させて成形した、いわゆるビーズ発泡成形体が用いられることが多い。ビーズ発泡体を用いる利点としては、発泡させることにより低密度の成形体を所要の形状に形成することが比較的容易なため、衝撃吸収体が軽量となり、かつ、通常使用時には一定の剛性を持ち所要形状を保つが、衝撃荷重などの強い応力が加わると潰れて衝撃エネルギーを吸収するという衝撃吸収体に要求される特性を得やすいからである。   Conventionally, interior materials such as floor carpets and door trims have been disposed on the passenger compartment side of the vehicle body panel mainly for the purpose of imparting design properties. Between these body panels and interior materials, an impact absorber made of a material capable of absorbing impacts is disposed for the purpose of absorbing energy in the event of a collision due to an automobile accident and mitigating the impact applied to the occupant. ing. As the shock absorber, urethane foam or fiber molded body can be applied, but a foaming agent is blended with polystyrene resin or polypropylene resin particles, and these are filled in a mold having a required cavity, and steam In many cases, a so-called bead foam molded body formed by heating and foaming is used. The advantage of using a bead foam is that it is relatively easy to form a low-density molded product into the required shape by foaming, so the shock absorber is lightweight and has a certain rigidity during normal use. This is because the required shape is maintained, but it is easy to obtain characteristics required for an impact absorber that is crushed and absorbs impact energy when a strong stress such as an impact load is applied.

ビーズ発泡成形体などからなる衝撃吸収体を車体パネルと内装材の間に取り付ける際には、接着面に接着剤を塗布して接着することにより取り付けたり、接合面に両面テープを貼付して貼り付けることにより取り付けたり、特許文献１，２記載の技術のように樹脂クリップなどの別部品を用いて取り付けたりしている。   When mounting an impact absorber made of bead foam molding between the body panel and the interior material, it is attached by applying an adhesive to the adhesive surface and bonding it, or affixing a double-sided tape on the bonding surface It attaches by attaching, or it attaches using another components, such as a resin clip, like the technique of patent documents 1 and 2.

特許文献１には、ウレタン等の軟質樹脂材から成るむくの材料で形成されたフットレスト本体におけるフロアへ取付ける面に筒状の剛性クリップが固着され、当該クリップがフロアに立設された棒状スタッドを受入れることにより、フットレストがフロアに取り付けられることが記載されている。
特許文献２には、クリップを互いに係合可能な雄部材と雌部材とで構成し、ダッシュサイレンサに雄部材を取り付け、ティビアパッドに雌部材を取り付けて、雄部材と雌部材とを係合させることによりティビアパッドがダッシュサイレンサに取り付けられることが記載されている。
特開２０００−１６８４２２号公報 特開２００３−２９４０７１号公報 In Patent Document 1, a cylindrical rigid clip is fixed to a surface of a footrest body made of a soft resin material such as urethane, which is attached to a floor, and a rod-like stud standing on the floor is fixed. It is described that the footrest can be attached to the floor by receiving.
In Patent Document 2, the clip is composed of a male member and a female member that can be engaged with each other, the male member is attached to the dash silencer, the female member is attached to the tibia pad, and the male member and the female member are engaged. Describes that the tibia pad can be attached to the dash silencer.
JP 2000-168422 A JP 2003-294071 A

接着剤や両面テープを用いて衝撃吸収体を車体パネルと内装材の間に取り付ける場合、車両解体時に衝撃吸収体を剥ぎ取ると車体パネルや内装材に衝撃吸収体の一部および接着剤成分が残ってしまい、衝撃吸収体を壊さずに車体パネルや内装材から分離することができない。そのため、衝撃吸収体をリサイクルすることができないとともに、車体パネルや内装材のリサイクル性も良くないという問題があった。
別部品である樹脂クリップを使用する場合、車両解体時に衝撃吸収体と樹脂クリップを分離する必要があり、この分離の際に衝撃吸収体が割れたり、折れたり、剥がれたりすることにより、衝撃吸収体のリサイクル性が良くないという問題があった。また、樹脂クリップに用いられる材料は衝撃吸収体に比べて硬質な別材料を用いているため、樹脂クリップの取付箇所では衝撃吸収性能が低下してしまい、全体として衝撃吸収量が低下するという課題が残っていた。 When mounting the shock absorber between the body panel and the interior material using adhesive or double-sided tape, if the impact absorber is peeled off when the vehicle is disassembled, a part of the shock absorber and the adhesive component will be present on the body panel or interior material. It remains and cannot be separated from the vehicle body panel and interior material without breaking the shock absorber. For this reason, there is a problem that the shock absorber cannot be recycled and the recyclability of the vehicle body panel and the interior material is not good.
When using a resin clip that is a separate part, it is necessary to separate the shock absorber from the resin clip when the vehicle is disassembled, and the shock absorber breaks, breaks, or peels off during this separation. There was a problem that the recyclability of the body was not good. In addition, since the material used for the resin clip is a different material that is harder than the shock absorber, the shock absorption performance is reduced at the mounting location of the resin clip, and the shock absorption amount as a whole is reduced. Was left.

特許文献１記載の技術では、剛性クリップが棒状スタッドに対して着脱可能とされていないので、車両解体時にフットレストをフロアから取り外そうとすると軟質樹脂材のフットレストは剛性クリップが固着された部分で壊れてしまう。従って、フットレストをリサイクルすることができない。また、剛性クリップの固着箇所では衝撃吸収性能が低下してしまう。
特許文献２記載の技術では、雄部材から雌部材を取り外すのが容易ではないため、車両解体時にティビアパッドをダッシュサイレンサから取り外すのに時間がかかるという問題があった。そのため、ティビアパッドの取り外しを急ぐと、ティビアパッドが割れたり、折れたり、剥がれたりして、ティビアパッドをリサイクルすることができなくなってしまう。また、雌部材は衝撃吸収体に比べて硬質な別材料を用いているため、雌部材の取付箇所では衝撃吸収性能が低下してしまう。 In the technique described in Patent Document 1, since the rigid clip is not detachable from the rod-shaped stud, when the footrest is removed from the floor when the vehicle is disassembled, the soft resin footrest is a portion where the rigid clip is fixed. It will break. Therefore, the footrest cannot be recycled. Further, the impact absorbing performance is deteriorated at the fixing position of the rigid clip.
In the technique described in Patent Document 2, since it is not easy to remove the female member from the male member, there is a problem that it takes time to remove the tibia pad from the dash silencer when the vehicle is disassembled. Therefore, if the removal of the tibia pad is accelerated, the tibia pad is cracked, broken, or peeled off, and the tibia pad cannot be recycled. Further, since the female member uses a different material that is harder than the shock absorber, the shock absorbing performance is deteriorated at the location where the female member is attached.

本発明は、上記課題にかんがみてなされたもので、車体パネルと内装材との間に衝撃吸収体を着脱させることを容易にさせ、衝撃吸収体のリサイクル性を向上させることを目的とする。   The present invention has been made in view of the above problems, and it is an object of the present invention to make it easy to attach and detach the shock absorber between the vehicle body panel and the interior material and to improve the recyclability of the shock absorber.

上記目的を達成するため、本発明は、自動車の車体パネルと当該車体パネルよりも車室側に設けられる内装材との間に衝撃を吸収可能な材質からなる衝撃吸収体を取り付ける衝撃吸収体の取付構造であって、上記車体パネルまたは上記内装材には、貫通穴が設けられ、上記衝撃吸収体は、上記貫通穴を貫通して上記車体パネルまたは内装材に対して着脱可能に係合する形状とされた係合部を有し衝撃を吸収可能な材質からなる係合部材と、この係合部材を貫通させて係止可能な係合部材貫通穴を有し衝撃を吸収可能な材質からなる衝撃吸収体本体部とを備え、上記係合部材は、上記係合部材貫通穴と上記車体パネルまたは内装材の貫通穴の両方を貫通して上記衝撃吸収体本体部に係止されながら上記係合部にて上記車体パネルまたは内装材に対して着脱可能に係合することを特徴とする。
衝撃吸収体の取付時には、衝撃吸収体の係合部を車体パネルまたは内装材に設けられた貫通穴に貫通させ、車体パネルまたは内装材に対して係合させることにより、容易に衝撃吸収体を車体パネルと内装材との間に取り付けることができる。ここで、衝撃吸収体の係合部は車体パネルまたは内装材に対して着脱可能とされているので、同係合部と車体パネルまたは内装材との係合を解放させて同係合部を貫通穴から引き抜くことにより、容易に衝撃吸収体を車体パネルと内装材との間から取り外すことができる。 In order to achieve the above object, the present invention provides an impact absorber for attaching an impact absorber made of a material capable of absorbing an impact between a body panel of an automobile and an interior material provided closer to the passenger compartment than the body panel. In the mounting structure, the vehicle body panel or the interior material is provided with a through hole, and the shock absorber is detachably engaged with the vehicle body panel or the interior material through the through hole. An engagement member made of a material that has a shaped engagement portion and can absorb impact, and an engagement member through hole that can be locked by penetrating the engagement member, and from a material that can absorb impact And the engagement member passes through both the engagement member through hole and the through hole of the vehicle body panel or the interior material and is locked to the shock absorber main body portion. To the body panel or interior material at the engaging part Characterized by removably engaged with.
When mounting the shock absorber, the shock absorber can be easily mounted by penetrating the engaging portion of the shock absorber through a through hole provided in the vehicle body panel or interior material and engaging with the vehicle body panel or interior material. It can be installed between the body panel and the interior material. Here, since the engaging portion of the shock absorber can be attached to and detached from the vehicle body panel or the interior material, the engagement between the engaging portion and the vehicle body panel or the interior material is released, and the engaging portion is By pulling out from the through hole, the shock absorber can be easily removed from between the vehicle body panel and the interior material.

すなわち、衝撃吸収体の取付時に接着剤や両面テープを用いないので、接着剤を塗布したり両面テープを貼り付けたりする必要が無いことにより取付時の工数を削減して迅速に衝撃吸収体を取り付けることができる。また、車両解体時や衝撃吸収体を交換する時などに衝撃吸収体を剥ぎ取る必要が無いことにより衝撃吸収体の割れ、折れ、剥がれなどを起こすことがなく、リサイクル性、メンテナンス性が大幅に向上する。   That is, since no adhesive or double-sided tape is used when mounting the shock absorber, there is no need to apply adhesive or affix double-sided tape. Can be attached. In addition, since it is not necessary to peel off the shock absorber when disassembling the vehicle or replacing the shock absorber, the shock absorber will not crack, bend, or peel off, greatly improving recyclability and maintainability. improves.

上記貫通穴は、車体パネルや内装材に直接形成された貫通穴でもよいし、車体パネルや内装材に取り付けられた部材に形成された貫通穴でもよい。
上記車体パネルは、アウターパネルとインナーパネルとから構成され、インナーパネルやアウターパネルに貫通穴が設けられてもよい。
上記内装材は、内装材基材と表皮材とから構成され、内装材基材や表皮材に貫通穴が設けられてもよい。 The through hole may be a through hole directly formed in the vehicle body panel or the interior material, or may be a through hole formed in a member attached to the vehicle body panel or the interior material.
The vehicle body panel may include an outer panel and an inner panel, and a through hole may be provided in the inner panel or the outer panel.
The interior material may include an interior material base material and a skin material, and a through hole may be provided in the interior material base material or the skin material .

上記衝撃吸収体は、上記係合部を有し衝撃を吸収可能な材質からなる係合部材と、この係合部材を貫通させて係止可能な係合部材貫通穴を有し衝撃を吸収可能な材質からなる衝撃吸収体本体部とを備え、上記係合部材は、上記係合部材貫通穴と上記車体パネルまたは内装材の貫通穴の両方を貫通して上記衝撃吸収体本体部に係止されながら上記係合部にて上記車体パネルまたは内装材に対して着脱可能に係合する。衝撃吸収体の取付時には、係合部材貫通穴と車体パネルまたは内装材の貫通穴との位置を合わせて両貫通穴に係合部材を貫通させて車体パネルまたは内装材に係合させることにより、容易に衝撃吸収体を取り付けることができる。衝撃吸収体を取り外す時には、係合部材の係合を解除させて両貫通穴から係合部材を引き抜くことにより、容易に衝撃吸収体を取り外すことができる。 The shock absorber, can absorb an engaging member made of perforated and capable of absorbing impact material of the engaging portion, the the engaging member by penetrating have a locking engagement member through hole impact A shock absorber body portion made of a different material , and the engagement member passes through both the engagement member through hole and the through hole of the vehicle body panel or the interior material and is locked to the shock absorber body portion. It is while that match engaged detachably with respect to the vehicle body panel or interior material at the engaging portion. At the time of mounting the shock absorber, by aligning the position of the engagement member through hole and the through hole of the vehicle body panel or interior material, by passing the engagement member through both through holes and engaging the vehicle body panel or interior material, The shock absorber can be easily attached. When removing the shock absorber, the shock absorber can be easily removed by releasing the engagement of the engaging member and pulling the engaging member out of both through holes.

上記衝撃吸収体本体部と上記係合部材とは、ともに合成樹脂を発泡させた材質で形成されている構成としてもよい。係合部材を衝撃吸収体本体部と同じく合成樹脂を発泡させた材質とすることによって、従来の硬質な樹脂製クリップを用いた衝撃吸収体と比べて、衝撃吸収体本体部が係合部材貫通穴付近で局所的なエネルギー吸収量の低下を防ぐことができる。
衝撃吸収体本体部と係合部材を形成する合成樹脂は、同じ種類の樹脂でもよいし、異なる種類の樹脂でもよい。 Both the shock absorber body and the engaging member may be formed of a material obtained by foaming synthetic resin. By using a synthetic resin foamed material like the shock absorber body, the engagement member penetrates the engagement member compared to a conventional shock absorber using a hard resin clip. It is possible to prevent the local energy absorption from decreasing near the hole.
The synthetic resin that forms the shock absorber body and the engaging member may be the same type of resin or different types of resins.

上記衝撃吸収体本体部と上記係合部材とは、ともに同じ材質で形成されている構成としてもよい。すると、衝撃吸収体本体部が係合部材貫通穴付近で局所的なエネルギー吸収量の低下が防止されるとともに、衝撃吸収体本体部と係合部材とが同じ材質で形成されているため、車両解体時等に衝撃吸収体本体部と係合部材とを分離することなく衝撃吸収体のリサイクルが可能である。   The shock absorber main body and the engaging member may both be formed of the same material. Then, the impact absorber main body is prevented from being locally reduced in the amount of energy absorption in the vicinity of the engagement member through-hole, and the impact absorber main body and the engagement member are formed of the same material. The shock absorber can be recycled without separating the shock absorber main body and the engaging member at the time of disassembly or the like.

上記係合部は、上記貫通穴に挿入する方向に突出するとともに当該挿入する方向の途中でくびれ部が形成された形状とされ、上記車体パネルまたは内装材には、上記貫通穴が形成されて弾性を有する材質とされるとともに同貫通穴に上記係合部が挿入されるときに撓み動作を経て上記くびれ部に挿入して同貫通穴から上記係合部を引き抜くときに撓みながら上記くびれ部から外れるくびれ部挿入部が形成された係止部材が取り付けられている構成としてもよい。ここで、弾性を有する材質は、合成樹脂、ゴム、金属板、等とすることができる。   The engaging portion protrudes in the direction of insertion into the through hole and has a shape with a constricted portion formed in the insertion direction, and the through hole is formed in the vehicle body panel or interior material. The constricted portion is made of an elastic material and is bent when the engaging portion is inserted into the through-hole and then bent through the bending portion when the engaging portion is pulled out from the through-hole. It is good also as a structure to which the latching member in which the constriction part insertion part which remove | deviates from is formed was attached. Here, the material having elasticity may be synthetic resin, rubber, metal plate, or the like.

また、上記係合部材は、上記係合部材貫通穴と上記車体パネルまたは内装材の貫通穴の両方を貫通して回転動作により上記係合部にて上記車体パネルまたは内装材に対して着脱可能に係合する構成としてもよい。すると、係合部材を両貫通穴に貫通させて回転させる簡単な操作で衝撃吸収体を着脱可能に取り付けることが可能となる。   Further, the engaging member can be attached to and detached from the vehicle body panel or the interior material through the engagement portion by rotating through both the engagement member through hole and the vehicle body panel or the interior material through hole. It is good also as a structure engaged with. Then, the shock absorber can be detachably attached by a simple operation of rotating the engaging member through both through holes.

上記車体パネルは、少なくとも、アウターパネルと、当該アウターパネルよりも車室側に設けられるとともに上記貫通穴が設けられたインナーパネルと、から構成され、上記係合部は、上記インナーパネルに設けられた貫通穴を貫通して上記アウターパネルまたは上記インナーパネルに当接することにより上記車体パネルに対して着脱可能に係合する構成としてもよい。ここで、貫通穴は、インナーパネルに直接形成されてもよいし、インナーパネルに取り付けられる係止部材に形成されてもよい。   The vehicle body panel includes at least an outer panel and an inner panel provided on the vehicle compartment side of the outer panel and provided with the through hole, and the engagement portion is provided on the inner panel. It is good also as a structure which engages with the said vehicle body panel so that attachment or detachment is possible by penetrating the through-hole which contacted and contacting the said outer panel or the said inner panel. Here, the through hole may be formed directly on the inner panel or may be formed on a locking member attached to the inner panel.

上記内装材は、少なくとも、上記貫通穴が設けられた内装材基材と、当該内装材基材の車室側に設けられた表皮材と、から構成され、上記係合部は、上記内装材基材に設けられた貫通穴を貫通して上記表皮材または上記内装材基材に当接することにより上記内装材に対して着脱可能に係合する構成としてもよい。ここで、貫通穴は、内装材基材に直接形成されてもよいし、内装材基材に取り付けられる係止部材に形成されてもよい。   The interior material is composed of at least an interior material base provided with the through hole and a skin material provided on a vehicle interior side of the interior material base, and the engaging portion is the interior material. It is good also as a structure which detachably engages with the said interior material by penetrating the through-hole provided in the base material, and contact | abutting to the said skin material or the said interior material base material. Here, the through hole may be directly formed in the interior material base material, or may be formed in a locking member attached to the interior material base material.

上記係合部は、上記衝撃吸収体のうち同係合部を除く部分よりも高密度に形成されている構成としてもよい。   The engaging portion may be formed at a higher density than a portion of the shock absorber excluding the engaging portion.

また、上記係合部は、上記衝撃吸収体のうち同係合部を除く部分よりも高剛性に形成されている構成としてもよい。   Moreover, the said engaging part is good also as a structure currently formed more highly rigid than the part except the said engaging part among the said shock absorbers.

請求項１にかかる発明によれば、係合部材貫通穴と車体パネルまたは内装材の貫通穴との位置を合わせて両貫通穴に係合部材を貫通させて車体パネルまたは内装材に対して着脱可能に係合させるという簡易な操作により、容易に衝撃吸収体を車体パネルまたは内装材に対して着脱可能に取り付けることが可能となり、衝撃吸収体のリサイクル性を向上させることが可能となる。 According to the first aspect of the present invention, the positions of the engagement member through hole and the through hole of the vehicle body panel or interior material are aligned, and the engagement member is passed through both through holes to be attached to and detached from the vehicle body panel or interior material. By a simple operation of enabling engagement, the shock absorber can be easily attached to the vehicle body panel or the interior material in a detachable manner, and the recyclability of the shock absorber can be improved .

請求項２にかかる発明では、係合部材が衝撃吸収体本体部とともに合成樹脂を発泡させた材質で形成されているので、局所的にエネルギー吸収量が低下することを防止することが可能となる。
請求項３にかかる発明では、係合部材が衝撃吸収体本体部とともに同じ材質で形成されているので、局所的にエネルギー吸収量が低下することをより確実に防ぐことが可能となる。
請求項４にかかる発明では、容易に衝撃吸収体を着脱させることができる。 In the invention according to claim 2 , since the engaging member is formed of a material obtained by foaming synthetic resin together with the shock absorber main body, it is possible to prevent the energy absorption amount from being locally reduced. .
In the invention according to claim 3 , since the engaging member is formed of the same material together with the shock absorber body, it is possible to more reliably prevent the energy absorption amount from being locally reduced.
In the invention concerning Claim 4 , an impact absorber can be attached or detached easily.

請求項５にかかる発明では、係合部材を両貫通穴に貫通させて回転させるという簡単な操作で、衝撃吸収体を着脱させることが可能となる。
請求項６にかかる発明では、簡易な構造にて簡単な操作で衝撃吸収体を着脱させることが可能となるとともに、係合部材が変形を伴うことなく車体パネルまたは内装材に係止されるので、衝撃吸収体の取り付け、取り外しの際に係合部材の破損が防止され、係合部材の耐久性を向上させて衝撃吸収体のリサイクル性を向上させることができる。
請求項７にかかる発明では、係合部がアウターパネルまたはインナーパネルに当接して車体パネルに係合するので、取付時の衝撃吸収体を確実に固定させることが可能となる。 In the invention according to claim 5 , it is possible to attach and detach the shock absorber with a simple operation of rotating the engaging member through both through holes.
In the invention according to the sixth aspect , the shock absorber can be detached and attached with a simple structure and a simple operation, and the engaging member is locked to the vehicle body panel or the interior material without being deformed. In addition, it is possible to prevent the engagement member from being damaged when the shock absorber is attached and detached, and to improve the durability of the engagement member and improve the recyclability of the shock absorber.
In the invention concerning Claim 7 , since an engaging part contact | abuts to an outer panel or an inner panel, and it engages with a vehicle body panel, it becomes possible to fix the shock absorber at the time of attachment reliably.

請求項８にかかる発明では、簡易な構造で、取付時の衝撃吸収体を確実に固定させることが可能となる。
請求項９にかかる発明では、係合部が表皮材または内装材基材に当接して内装材に係合するので、取付時の衝撃吸収体を確実に固定させることが可能となる。
請求項１０にかかる発明では、係合部には衝撃吸収体の着脱の際に力が加わりやすいが、係合部を他の部分と比較して高密度にすることにより、係合部の耐久性を向上させ、衝撃吸収体全体としての耐久性を向上させ、衝撃吸収体のリサイクル性をさらに向上させることが可能となる。
請求項１１にかかる発明では、係合部には衝撃吸収体の着脱の際に力が加わりやすいが、係合部を他の部分と比較して高剛性にすることにより、係合部の耐久性を向上させ、衝撃吸収体全体としての耐久性を向上させ、衝撃吸収体のリサイクル性をさらに向上させることが可能となる。 In the invention concerning Claim 8 , it becomes possible to fix the shock absorber at the time of attachment reliably with a simple structure.
In the invention according to claim 9 , since the engaging portion comes into contact with the skin material or the interior material base material and engages with the interior material, it is possible to securely fix the shock absorber at the time of attachment.
In the invention according to claim 10 , a force is easily applied to the engaging portion when the shock absorber is attached / detached. However, the engaging portion has a higher density than other portions, so that the durability of the engaging portion can be increased. The durability of the shock absorber as a whole can be improved, and the recyclability of the shock absorber can be further improved.
In the invention according to claim 11 , a force is easily applied to the engaging portion when the shock absorber is attached / detached. However, by making the engaging portion highly rigid compared to other portions, the durability of the engaging portion can be increased. The durability of the shock absorber as a whole can be improved, and the recyclability of the shock absorber can be further improved.

以下、下記の順序に従って本発明の実施の形態について説明する。
（１）衝撃吸収体の取付構造の構成：
（２）衝撃吸収体の取付構造の作用、効果：
（３）変形例： Hereinafter, embodiments of the present invention will be described in the following order.
(1) Configuration of shock absorber mounting structure:
(2) Action and effect of shock absorber mounting structure:
(3) Modification:

（１）衝撃吸収体の取付構造の構成：
図１は参考例として衝撃吸収体の取付構造を採用した乗用自動車の要部を垂直断面にて示す要部断面図であり、図２は衝撃吸収体３０の外観を底面から見て示す底面図である。図１では、図２のＡ１−Ａ１の位置にて断面視した様子を示している。
図１では、前後の座席を有する乗用自動車のフロアのうち前席乗員Ｍの足下部が示されている。自動車の乗員の足下において、金属製のフロアパネル１０が車体パネルの一部として設けられ、このフロアパネル１０よりも車室側にフロアカーペット（内装材）２０が敷設されている。フロアパネル１０は、前席乗員Ｍの足下から後方に向かって略水平に設けられた平坦な形状の平坦部１０ａとされるとともに、この平坦部１０ａの前縁部から前方に向かって斜め上方に立ち上がってエンジンルームとの境界を形成する立壁部１０ｂとされている。フロアカーペット２０は、このフロアパネル１０の形状に合わせて、前席乗員Ｍの足下から後方に向かって略水平に設けられるとともに、前席乗員Ｍの足下から前方に向かって斜め上方に立ち上がって設けられている。衝撃吸収体３０は、フロアパネル１０とフロアカーペット２０との間で、フロアパネルの平坦部１０ａ上と立壁部１０ｂ上とに跨って取り付けられている。 (1) Configuration of shock absorber mounting structure:
FIG. 1 is a cross-sectional view showing a main part of a passenger car adopting a shock absorber mounting structure as a reference example in a vertical section, and FIG. 2 is a bottom view showing an external appearance of the shock absorber 30 from the bottom. It is. FIG. 1 shows a cross-sectional view at the position A1-A1 in FIG.
In FIG. 1, a lower leg portion of a front seat occupant M is shown on the floor of a passenger car having front and rear seats. A metal floor panel 10 is provided as a part of a vehicle body panel at the foot of an automobile occupant, and a floor carpet (interior material) 20 is laid on the vehicle compartment side of the floor panel 10. The floor panel 10 is a flat portion 10a having a flat shape provided substantially horizontally from the foot of the front seat occupant M toward the rear, and obliquely upward from the front edge of the flat portion 10a to the front. It is set as the standing wall part 10b which stands | starts up and forms a boundary with an engine room. The floor carpet 20 is provided substantially horizontally from the feet of the front seat occupant M to the rear according to the shape of the floor panel 10 and is provided to rise obliquely upward from the feet of the front seat occupant M to the front. It has been. The shock absorber 30 is attached between the floor panel 10 and the floor carpet 20 across the flat portion 10a and the standing wall portion 10b of the floor panel.

フロアカーペット２０は、意匠性、吸音性、遮音性などを主な目的として、乗員室のフロア全体を覆ってフロアパネルの平坦部１０ａと立壁部１０ｂとの外形に沿うように成形されてフロアパネル１０上に設けられる。フロアカーペット２０の表皮材２２には、基布に立毛パイルを組織したタフトカーペットや、不織ウェブをニードリングして繊維相互を絡め形成したニードルパンチカーペット等が用いられる。フロアカーペット２０の裏面には、内装材基材２４として、低密度ポリエチレン、エチレン酢酸ビニル等の低融点の熱可塑性樹脂からなる薄いシートが裏打ちされる。この裏打ちを加熱、可塑化させた状態で所要の形状にプレス成形することにより、自動車のフロアパネル１０に沿う形状に賦形される。   The floor carpet 20 is formed so as to cover the entire floor of the passenger compartment and conform to the outer shape of the flat portion 10a and the standing wall portion 10b for the main purpose of design, sound absorption, and sound insulation. 10 is provided. As the skin material 22 of the floor carpet 20, a tuft carpet in which napped piles are organized on a base fabric, a needle punch carpet in which fibers are entangled by needling a nonwoven web, or the like is used. The back surface of the floor carpet 20 is lined with a thin sheet made of a low melting point thermoplastic resin such as low density polyethylene or ethylene vinyl acetate as the interior material base material 24. The backing is heated and plasticized, and is press-molded into a desired shape to be shaped into a shape along the floor panel 10 of the automobile.

自動車の前面衝突時、自動車内の前席乗員Ｍの足下となるフロアパネルの平坦部１０ａと立壁部１０ｂとの境界部１０ｃには、斜め上後方に突き上げられる強い衝撃が加わり、乗員Ｍの足へ大きな衝撃荷重が加わることになる。そこで、境界部１０ｃに、フロアパネル１０とフロアカーペット２０との間にティビアパッドと呼ばれる衝撃を吸収する材質からなる衝撃吸収体３０を配設している。ここで、フロアパネル１０には樹脂製ソケット（係止部材）１２によって貫通穴１３が設けられており、衝撃吸収体３０に、同貫通穴１３を貫通してフロアパネル１０に対して着脱可能に係合する形状とされた係合部３４を設けてある。
本参考例の衝撃吸収体３０は、厚さ１０〜５０ｍｍ程度の衝撃吸収体本体部３２と上記係合部３４とから構成してあり、本体部３２と係合部３４とが一体化されて形成されている。また、図２に示すように係合部３４を二つ設けている（係合部３４Ａ，Ｂ）が、係合部は一つでもよいし、三つ以上でもよい。そして、係合部の数の貫通穴を車体パネルまたは内装材に設けておけばよい。
上記衝撃吸収体３０は、自動車乗員室の運転席の足下と助手席の足下の少なくとも一方へと配設される。むろん、運転席の足下から助手席の足下にかけて単一の衝撃吸収構造体を設置してもよい。 At the time of a frontal collision of the vehicle, a strong impact that is pushed up obliquely upward and rearward is applied to the boundary portion 10c between the flat portion 10a and the standing wall portion 10b of the floor panel that is the foot of the front seat occupant M in the vehicle. A large impact load is applied. Therefore, an impact absorber 30 made of a material that absorbs impact called a tibia pad is disposed between the floor panel 10 and the floor carpet 20 at the boundary portion 10c. Here, the floor panel 10 is provided with a through hole 13 by a resin socket (locking member) 12 so that the shock absorber 30 can be attached to and detached from the floor panel 10 through the through hole 13. An engaging portion 34 having a shape to be engaged is provided.
The shock absorber 30 of this reference example is composed of a shock absorber main body 32 having a thickness of about 10 to 50 mm and the engaging portion 34, and the main body 32 and the engaging portion 34 are integrated. Is formed. Further, as shown in FIG. 2, two engaging portions 34 are provided (engaging portions 34A and 34B), but there may be one engaging portion or three or more engaging portions. And what is necessary is just to provide the through-hole of the number of engaging parts in a vehicle body panel or interior material.
The shock absorber 30 is disposed on at least one of the feet of the driver's seat and the passenger's seat of the automobile passenger compartment. Of course, a single shock absorbing structure may be installed from the driver's seat to the passenger's seat.

衝撃吸収体３０としては、各種ビーズ発泡体、ウレタンフォーム、繊維成形体などを用いることができるが、衝撃を吸収する観点から発泡させた材質が好ましく、合成樹脂を発泡させた材質がさらに好ましい。衝撃発生時、フロアカーペット２０を介して衝撃吸収体３０から乗員の足へ衝撃が伝えられることになるが、適度な剛性の合成樹脂の発泡体が衝撃を吸収するので、乗員の足への衝撃を少なくさせることができる。発泡させる合成樹脂としては、成形の容易性から熱可塑性樹脂が好ましく、ポリプロピレン、ポリスチレン、ポリエチレン、等を用いることができる。また、衝撃吸収体の形状に成形する際には、プラスチックに発泡剤を混合して発泡させた発泡プラスチックを所定のダイから押し出して成形してもよいし、ビーズ状のプラスチックに発泡剤を含浸させて予備発泡させた後に金型内に充填してさらに加熱発泡させて成形してもよい。発泡剤としては、ブタンやペンタン等の炭化水素を発生させる揮発性発泡剤、炭酸アンモニウム等の炭酸ガス等を発生させる無機系発泡剤、等を用いることができる。衝撃吸収体に適度な剛性を与え、車両走行および衝撃発生に対する係合部３４の耐久性を良好にさせる点から、比較的剛性の高いポリプロピレン系のビーズ発泡成形体が衝撃吸収体として特に好ましい。   As the shock absorber 30, various bead foams, urethane foams, fiber molded bodies and the like can be used, but a foamed material is preferable from the viewpoint of absorbing impact, and a synthetic resin foamed material is more preferable. When an impact occurs, the impact is transmitted from the shock absorber 30 to the occupant's foot via the floor carpet 20, but since the foam of a moderately rigid synthetic resin absorbs the impact, the impact on the occupant's foot Can be reduced. As the synthetic resin to be foamed, a thermoplastic resin is preferable from the viewpoint of easy molding, and polypropylene, polystyrene, polyethylene, and the like can be used. Also, when molding into the shape of the shock absorber, the foamed plastic obtained by mixing the foaming agent with the plastic may be extruded from a predetermined die, or the beaded plastic is impregnated with the foaming agent. Then, after pre-foaming, it may be filled in a mold and further heated and foamed for molding. As the foaming agent, volatile foaming agents that generate hydrocarbons such as butane and pentane, inorganic foaming agents that generate carbon dioxide gas such as ammonium carbonate, and the like can be used. From the viewpoint of imparting moderate rigidity to the shock absorber and improving the durability of the engaging portion 34 against vehicle running and impact generation, a polypropylene bead foam molded body having a relatively high rigidity is particularly preferable as the shock absorber.

図３は、係合部３４をソケット１２に挿入させる様子を斜視図により示している。係合部３４は、貫通穴１３に挿入する方向（図の下方向）に突出し、当該挿入する方向の途中でくびれ部３５が形成された形状とされている。図に示すように、係合部３４は、衝撃吸収体本体部３２に繋がる基部から先端部３４ａに向かって徐々に細くされながらくびれ部３５で最も細くなり、くびれ部３５から先端部３４ａに向かっては徐々に太くされた形状とされている。
一方、フロアパネル１０には樹脂製ソケット１２を挿入して係止させることができるように表裏を貫通した貫通穴１１（図１参照）が形成されており、同貫通穴１１に複数のくびれ部挿入部１５全てを挿入してフロアパネル１０にソケット１２が取り付けられている。ソケット１２は、弾性を有する材質とされ、係合部３４を貫通させる貫通穴１３が形成されている。本参考例のソケット１２は、貫通穴１３が形成されてフロアパネル１０の上面において同フロアパネルと平行に保持される基部１４を備えるとともに、この基部１４における貫通穴１３側の縁部１４ａから下方に向かって延出したくびれ部挿入部１５を複数備えている。各くびれ部挿入部１５は、係合部３４の形状に合わせて、縁部１４ａから先端部１４ｃに向かってお互い徐々に近づきながら山部１４ｂで最も近づき、山部１４ｂから先端部１４ｃに向かってはお互い徐々に遠ざかる形状に形成されている。なお、各くびれ部挿入部１５には外側に向かって突出した係合爪１４ｄ（図１参照）と基部１４とでフロアパネル１０における貫通穴の周囲を挟むようにしてソケット１２がフロアパネル１０に係止可能である。
ソケットは、当該ソケットの形状の金型に射出成形用の合成樹脂を射出して成形する等により、形成可能である。ソケットに用いる樹脂としては、ポリプロピレンやポリエチレン等の熱可塑性樹脂、熱硬化性樹脂、等を採用可能である。 FIG. 3 is a perspective view showing how the engaging portion 34 is inserted into the socket 12. The engaging portion 34 protrudes in the direction of insertion into the through hole 13 (downward in the figure), and has a shape in which a constricted portion 35 is formed in the insertion direction. As shown in the figure, the engaging portion 34 is thinned at the constricted portion 35 while being gradually narrowed from the base portion connected to the shock absorber main body portion 32 toward the distal end portion 34a, and from the constricted portion 35 toward the distal end portion 34a. The shape is gradually thickened.
On the other hand, the floor panel 10 is formed with a through hole 11 (see FIG. 1) penetrating the front and back so that a resin socket 12 can be inserted and locked, and a plurality of constricted portions are formed in the through hole 11. The socket 12 is attached to the floor panel 10 by inserting all the insertion portions 15. The socket 12 is made of a material having elasticity, and a through hole 13 through which the engaging portion 34 passes is formed. The socket 12 of this reference example includes a base portion 14 in which a through hole 13 is formed and is held in parallel with the floor panel on the upper surface of the floor panel 10, and is downward from an edge portion 14 a on the through hole 13 side of the base portion 14. A plurality of constricted portion insertion portions 15 extending toward the end are provided. In accordance with the shape of the engaging portion 34, each constricted portion insertion portion 15 approaches the peak portion 14b while gradually approaching from the edge portion 14a toward the tip portion 14c, and from the peak portion 14b to the tip portion 14c. Are formed in shapes that gradually move away from each other. In addition, the socket 12 is locked to the floor panel 10 so that the periphery of the through hole in the floor panel 10 is sandwiched between the engagement claw 14d (see FIG. 1) protruding outward and the base portion 14 in each constricted portion insertion portion 15. Is possible.
The socket can be formed by injecting and molding a synthetic resin for injection molding into a mold having the shape of the socket. As the resin used for the socket, thermoplastic resins such as polypropylene and polyethylene, thermosetting resins, and the like can be used.

以上の構成により、くびれ部挿入部１５は、貫通穴１３に係合部３４が挿入されるときに撓み動作を経てくびれ部３５に挿入し、同貫通穴１３から係合部３４を引き抜くときに撓みながらくびれ部３５から外れる。従って、容易に衝撃吸収体を車体パネルに対して着脱させることができる。
上述したようにソケットを合成樹脂製とすると適度な剛性となって衝撃吸収体の係合部の耐久性を向上させることができる点で好適なものの、ゴム製、金属製、等としてもよい。 With the above configuration, the constricted portion inserting portion 15 is inserted into the constricted portion 35 through a bending operation when the engaging portion 34 is inserted into the through hole 13, and is pulled out from the through hole 13. It comes off from the constricted part 35 while bending. Therefore, the shock absorber can be easily attached to and detached from the vehicle body panel.
As described above, if the socket is made of a synthetic resin, it is suitable in that it can have an appropriate rigidity and can improve the durability of the engaging portion of the shock absorber, but it may be made of rubber, metal, or the like.

衝撃吸収体３０を形成するには、例えば、以下のようにすればよい。
まず、ポリプロピレン樹脂等の熱可塑性樹脂に発泡剤を添加してビーズ状に予備発泡させ、ビーズ状樹脂粒子を多数形成する。次に、ビーズ状樹脂粒子の径よりも小さい径の蒸気孔を複数有するとともに衝撃吸収体の形状に合わせた成形型内にビーズ状樹脂粒子を多数充填し、型締めする。さらに、ビーズ状樹脂粒子を構成する熱可塑性樹脂を加熱溶融させる温度にまで所定の加熱機により温度を上昇させた水蒸気を成形型内に導入する。すると、成形型内を加熱することができ、ビーズ状樹脂粒子をさらに発泡させながらビーズ状樹脂粒子どうしを溶融させながら結着させて衝撃吸収体を形成させる。成形型内を冷却した後、成形型を開くと、形成された衝撃吸収体を取り出すことができる。これにより、係合部３４を含めて合成樹脂を発泡させた材質で形成された衝撃吸収体３０が得られる。 For example, the shock absorber 30 may be formed as follows.
First, a foaming agent is added to a thermoplastic resin such as polypropylene resin and pre-foamed into beads to form a large number of bead-shaped resin particles. Next, a large number of bead-shaped resin particles are filled in a mold having a plurality of vapor holes having a diameter smaller than the diameter of the bead-shaped resin particles and matching the shape of the shock absorber, and the mold is clamped. Furthermore, water vapor whose temperature is raised by a predetermined heater up to a temperature at which the thermoplastic resin constituting the bead-like resin particles is heated and melted is introduced into the mold. Then, the inside of the mold can be heated, and the bead-shaped resin particles are further foamed and bound while the bead-shaped resin particles are melted to form an impact absorber. After the inside of the mold is cooled, the formed shock absorber can be taken out by opening the mold. Thereby, the shock absorber 30 formed of a material obtained by foaming synthetic resin including the engaging portion 34 is obtained.

（２）衝撃吸収体の取付構造の作用、効果：
以下、図１〜図３を参照して、本衝撃吸収構体の取付構造の作用、効果を説明する。
衝撃吸収体３０をフロアパネル１０に取り付ける時には、フロアカーペット２０を敷設する前に、衝撃吸収体本体部３２を持って係合部３４を貫通穴１３に貫通させていく作業を行う。すると、ソケットのくびれ部挿入部１５が外側へ撓む動作を経て係合部のくびれ部３５に挿入して係合部３４を係止させ、係合部３４がフロアパネル１０に対して係合する。その後、フロアカーペット２０を敷設すると、衝撃吸収体がフロアパネル１０とフロアカーペット２０との間に取付固定される。従って、係合部３４を貫通穴１３に挿入するという簡単な操作で容易に衝撃吸収体を車体パネルと内装材との間に取り付けることができる。
また、衝撃吸収体をフロアパネルから取り外す時には、フロアカーペット２０を剥がし、衝撃吸収体本体部３２を持って係合部３４を貫通穴１３とは反対方向に引っぱる作業を行う。すると、ソケットのくびれ部挿入部１５が外側へ撓みながら係合部のくびれ部３５から外れ、フロアパネル１０から係合部３４の係止を解放させて係合部３４を引き抜くことができる。従って、係合部３４を貫通穴１３から引き抜くという簡単な操作で容易に衝撃吸収体を車体パネルと内装材との間から取り外すことができる。 (2) Action and effect of shock absorber mounting structure:
Hereinafter, with reference to FIGS. 1-3, the effect | action and effect of the attachment structure of this shock absorption structure are demonstrated.
When the shock absorber 30 is attached to the floor panel 10, before the floor carpet 20 is laid, an operation of holding the shock absorber main body 32 and penetrating the engaging portion 34 through the through hole 13 is performed. Then, the socket constriction portion insertion portion 15 is bent outward and inserted into the constriction portion 35 of the engagement portion to lock the engagement portion 34, and the engagement portion 34 engages with the floor panel 10. To do. Thereafter, when the floor carpet 20 is laid, the shock absorber is attached and fixed between the floor panel 10 and the floor carpet 20. Therefore, the shock absorber can be easily attached between the vehicle body panel and the interior material by a simple operation of inserting the engaging portion 34 into the through hole 13.
Further, when removing the shock absorber from the floor panel, the floor carpet 20 is peeled off, and the engagement portion 34 is pulled in the direction opposite to the through hole 13 with the shock absorber main body 32 held. Then, the constricted part insertion part 15 of the socket is detached from the constricted part 35 of the engaging part while bending outward, and the engaging part 34 can be pulled out by releasing the locking of the engaging part 34 from the floor panel 10. Therefore, the shock absorber can be easily removed from between the vehicle body panel and the interior material by a simple operation of pulling out the engaging portion 34 from the through hole 13.

本衝撃吸収体の取付構造では、衝撃吸収体の取付時に接着剤を塗布したり両面テープを貼り付けたりする必要が無いので、取付作業の工数を削減して迅速に衝撃吸収体を取り付けることができる。また、接着剤や両面テープや高剛性の樹脂クリップを用いていないことにより、車両解体時や衝撃吸収体を交換する時などに衝撃吸収体が壊れず、車体パネルや内装材のリサイクル性が向上するとともに、衝撃吸収体のリサイクル性、メンテナンス性が向上する。従って、車体パネルと内装材との間に衝撃吸収体を着脱させることを容易にさせ、衝撃吸収体のリサイクル性を向上させることが可能となる。
さらに、係合部が衝撃吸収体本体部と一体化されているので、係合部を分離することなく衝撃吸収体を取り外すことができ、この点でも容易に衝撃吸収体をリサイクルすることができる。また、係合部が本体とともに合成樹脂を発泡させた材質で形成されているので、係合部付近で衝撃吸収体本体部が局所的にエネルギー吸収量が低下することを防ぐことが可能となる。 With this shock absorber mounting structure, it is not necessary to apply adhesive or affix double-sided tape when mounting the shock absorber, so it is possible to reduce the number of mounting steps and mount the shock absorber quickly. it can. In addition, by not using adhesives, double-sided tape, or high-rigidity resin clips, the shock absorber is not broken when the vehicle is disassembled or when the shock absorber is replaced, and the recyclability of the body panel and interior materials is improved. In addition, the recyclability and maintainability of the shock absorber are improved. Therefore, it is possible to easily attach and detach the shock absorber between the vehicle body panel and the interior material, and it is possible to improve the recyclability of the shock absorber.
Furthermore, since the engaging portion is integrated with the shock absorber main body, the shock absorber can be removed without separating the engaging portion, and the shock absorber can be easily recycled in this respect as well. . Further, since the engaging portion is formed of a material obtained by foaming synthetic resin together with the main body, it is possible to prevent the energy absorption amount of the shock absorber main body portion from locally decreasing in the vicinity of the engaging portion. .

（３）変形例：
なお、本発明は、種々の変形例が考えられる。
衝撃吸収体は、車体パネルとフロアマットとの間に取り付けられてもよいし、フロアマットからフロアカーペットにかけての裏側に単一の衝撃吸収体として取り付けられてもよい。また、衝撃吸収体の取付箇所は、フロアパネルの平坦部１０ａ上のみ、立壁部１０ｂ上のみ、ドアトリム、ピラー、ダッシュボード、天井、これらの組み合わせ、等でもよい。これらの場合、衝撃吸収体を覆う内装材には衝撃吸収体の取付位置に応じた内装材を使用すればよい。
図４に示すように、車体パネルが少なくともアウターパネル４１と当該アウターパネルよりも車室側に設けられるインナーパネル４２とから構成される場合、インナーパネル４２に貫通穴４３を形成して衝撃吸収体３０の係合部３４を貫通させて着脱可能に係合させてもよい。むろん、アウターパネル４１に貫通穴を形成して係合部を貫通させて着脱可能に係合させてもよい。アウターパネルおよびインナーパネル以外の第三の車体パネルが設けられている場合にも、同様のことが言える。また、同図に示すように、インナーパネル（車体パネル）４２に直接形成された貫通穴４３に係合部３４を貫通させて着脱可能に係合させてもよい。同図では、上記くびれ部挿入部１５と略同形状のくびれ部挿入部４５が複数インナーパネル４２に直接形成されていることが示されており、同くびれ部挿入部４５が係合部のくびれ部３５に挿入して係合部３４がくびれ部挿入部４５に係止される。 (3) Modification:
The present invention can be modified in various ways.
The shock absorber may be attached between the vehicle body panel and the floor mat, or may be attached as a single shock absorber on the back side from the floor mat to the floor carpet. Moreover, the mounting location of the shock absorber may be only on the flat portion 10a of the floor panel, only on the standing wall portion 10b, door trim, pillar, dashboard, ceiling, a combination thereof, or the like. In these cases, an interior material corresponding to the mounting position of the impact absorber may be used as the interior material covering the impact absorber.
As shown in FIG. 4, when the vehicle body panel is composed of at least an outer panel 41 and an inner panel 42 provided closer to the passenger compartment than the outer panel, a through hole 43 is formed in the inner panel 42 to form a shock absorber. The 30 engaging portions 34 may be passed through and detachably engaged. Needless to say, a through hole may be formed in the outer panel 41 so that the engaging portion is penetrated to be detachably engaged. The same can be said when a third vehicle body panel other than the outer panel and the inner panel is provided. Moreover, as shown in the figure, the engaging portion 34 may be passed through a through-hole 43 formed directly in the inner panel (vehicle body panel) 42 so as to be detachably engaged. In the figure, it is shown that the constricted portion inserting portion 45 having the same shape as the constricted portion inserting portion 15 is formed directly on the plurality of inner panels 42, and the constricted portion inserting portion 45 is constricted in the engaging portion. The engaging portion 34 is locked to the constricted portion inserting portion 45 by being inserted into the portion 35.

図５に示すように、内装材が少なくとも表皮材２２と当該表皮材２２の裏面に設けられた内装材基材２４とから構成される場合、内装材基材２４に貫通穴２５を形成して衝撃吸収体５０の係合部５４を貫通させて着脱可能に係合させてもよい。むろん、表皮材２２に貫通穴を形成して係合部を貫通させて着脱可能に係合させてもよい。表皮材２２および内装材基材２４以外の第三の層が設けられている場合にも、同様のことが言える。係合部５４は、衝撃吸収体本体部５２から車室方向に突出しており、内装材基材に設けられた貫通穴２５を貫通して表皮材に当接することによりフロアカーペット２０に対して着脱可能に係合する。係合部５４が表皮材２２に突き当たってフロアカーペット２０に係合するので、取付時の衝撃吸収体５０を確実に固定させることが可能となる。   As shown in FIG. 5, when the interior material is composed of at least a skin material 22 and an interior material base material 24 provided on the back surface of the skin material 22, a through hole 25 is formed in the interior material base material 24. The engaging portion 54 of the shock absorber 50 may be passed through and detachably engaged. Needless to say, a through hole may be formed in the skin material 22 and the engaging portion may be penetrated to be detachably engaged. The same can be said when a third layer other than the skin material 22 and the interior material base material 24 is provided. The engaging portion 54 protrudes from the shock absorber main body portion 52 toward the passenger compartment, and is attached to and detached from the floor carpet 20 by penetrating through the through hole 25 provided in the interior material base material and contacting the skin material. Engage possible. Since the engaging portion 54 abuts against the skin material 22 and engages with the floor carpet 20, it is possible to securely fix the shock absorber 50 at the time of attachment.

図６に示すように、インナーパネル４２における車室側の面に弾性を有する材質（例えばポリプロピレン等の合成樹脂）からなる台座（係止部材）４６を取り付けて固定し、この台座４６に形成した貫通穴４７に衝撃吸収体３０の係合部３６を貫通させて着脱可能に係合させてもよい。このような台座を内装材基材２４（フロアカーペット２０における車外側の面）に取り付けて固定し、この台座に形成した貫通穴に貫通させて係合部を着脱可能に係合させてもよい。
インナーパネルに台座を取り付ける場合、台座に設けられた貫通穴を貫通して同インナーパネルに当接することにより同インナーパネルに対して着脱可能に係合するように係合部を形成してもよい。例えば係合部を貫通穴への挿入方向に対する垂直断面が円形の円柱形状とすると、台座の貫通穴に貫通させてインナーパネルに当接させ、インナーパネルに対して着脱可能に係合させることができる。また、内装材基材に台座を取り付ける場合、台座に設けられた貫通穴を貫通して同内装材基材に当接することにより同内装材基材に対して着脱可能に係合するように係合部を形成してもよい。例えば係合部を貫通穴への挿入方向に対する垂直断面が円形の円柱形状とすると、台座の貫通穴に貫通させて内装材基材に当接させ、内装材基材に対して着脱可能に係合させることができる。これらの場合、係合部がインナーパネルや内装材基材に当接して台座によりインナーパネルや内装材基材に係合するので、取付時の衝撃吸収体を確実に固定させることが可能となる。 As shown in FIG. 6, a pedestal (locking member) 46 made of an elastic material (for example, synthetic resin such as polypropylene) is attached and fixed to the surface of the inner panel 42 on the passenger compartment side, and formed on the pedestal 46. The engaging portion 36 of the shock absorber 30 may be passed through the through hole 47 so as to be detachably engaged. Such a pedestal may be attached and fixed to the interior material base material 24 (the surface outside the vehicle in the floor carpet 20), and the engaging portion may be detachably engaged by penetrating through a through hole formed in the pedestal. .
When the pedestal is attached to the inner panel, the engaging portion may be formed so as to be detachably engaged with the inner panel by passing through a through hole provided in the pedestal and contacting the inner panel. . For example, if the engaging portion has a cylindrical shape with a circular cross section perpendicular to the direction of insertion into the through hole, the engaging portion can be pierced through the through hole of the pedestal and brought into contact with the inner panel to be detachably engaged with the inner panel. it can. In addition, when attaching the pedestal to the interior material base material, the pedestal is detachably engaged with the interior material base material by passing through a through hole provided in the pedestal and contacting the interior material base material. A joint may be formed. For example, if the engaging part has a cylindrical shape with a circular cross section perpendicular to the direction of insertion into the through hole, the engaging part is passed through the through hole of the pedestal and brought into contact with the interior material base so that it can be attached to and detached from the interior material base. Can be combined. In these cases, the engaging portion abuts against the inner panel or the interior material base material and engages with the inner panel or the interior material base material by the pedestal, so that it is possible to securely fix the shock absorber during mounting. .

衝撃吸収体の係合部を衝撃吸収体本体部（衝撃吸収体のうち係合部を除く部分）よりも高密度に形成してもよい。例えば、衝撃吸収体の形状に合わせた成形型内にビーズ状樹脂粒子を多数充填して加熱発泡させて成形する際に、係合部の位置に充填するビーズ状樹脂粒子の発泡剤の含浸量を衝撃吸収体本体部の位置に充填するビーズ状樹脂粒子の発泡剤の含浸量よりも少なくさせて成形すれば、係合部の発泡倍率が衝撃吸収体本体部の発泡倍率よりも小さくなり、係合部を衝撃吸収体本体部よりも高密度に形成することができる。衝撃吸収体の着脱の際に係合部には力が加わりやすいが、係合部の密度を衝撃吸収体本体部の密度よりも高くすることにより、衝撃吸収体全体としての耐久性が向上し、衝撃吸収体のリサイクル性がさらに向上する。   The engaging portion of the shock absorber may be formed at a higher density than the shock absorber main body (the portion of the shock absorber excluding the engaging portion). For example, when a molding die that matches the shape of the shock absorber is filled with a large number of bead-shaped resin particles and heated and foamed to form, the amount of impregnation of the foaming agent of the bead-shaped resin particles that fills the position of the engaging portion If the foaming agent impregnation amount is smaller than the amount of foaming agent impregnation of the bead-like resin particles that fills the position of the shock absorber body part, the foaming ratio of the engaging part becomes smaller than the foaming ratio of the shock absorber body part The engaging portion can be formed at a higher density than the shock absorber body portion. Although force is easily applied to the engaging part when attaching or detaching the shock absorber, the durability of the shock absorber as a whole is improved by making the density of the engaging part higher than the density of the main part of the shock absorber. Further, the recyclability of the shock absorber is further improved.

衝撃吸収体の係合部を衝撃吸収体本体部よりも高剛性に形成してもよい。上述した例のように、衝撃吸収体の形状に合わせた成形型内にビーズ状樹脂粒子を多数充填して加熱発泡させて成形する際に、係合部に充填するビーズ状樹脂粒子の発泡剤の含浸量を衝撃吸収体本体部に充填するビーズ状樹脂粒子の発泡剤の含浸量よりも少なくさせて成形すれば、係合部を衝撃吸収体本体部よりも高剛性に形成することができる。また、衝撃吸収体本体部よりも高剛性の材質（例えば無発泡の合成樹脂）で係合部材を予め形成しておき、成形型内で同係合部材を係合部の位置に配置し、衝撃吸収体本体部の位置にビーズ状樹脂粒子を充填して成形してもよい。係合部の剛性を衝撃吸収体本体部の剛性よりも高くすることにより、衝撃吸収体全体としての耐久性が向上し、衝撃吸収体のリサイクル性がさらに向上する。   The engaging portion of the shock absorber may be formed with higher rigidity than the shock absorber main body. As in the example described above, a foaming agent for the bead-shaped resin particles that fills the engaging portion when a large number of the bead-shaped resin particles are filled in a mold matched to the shape of the shock absorber and molded by heating and foaming. Can be formed with higher rigidity than the shock absorber body, if the bead-like resin particle filling amount in the shock absorber body is less than that of the foaming agent. . In addition, the engaging member is formed in advance with a material (for example, non-foamed synthetic resin) having higher rigidity than the shock absorber main body, and the engaging member is disposed at the position of the engaging portion in the mold. The impact absorber body portion may be filled with bead-like resin particles and molded. By making the rigidity of the engaging portion higher than that of the shock absorber body, the durability of the shock absorber as a whole is improved, and the recyclability of the shock absorber is further improved.

また、係合部を衝撃吸収体本体部と一体化せず、同本体部とは別体としてもよい。この場合、上述した実施形態および変形例で、衝撃吸収体を互いに別体の衝撃吸収体本体部および係合部に置き換えることが可能である。
図７は、係合部を衝撃吸収体本体部とは別体にした衝撃吸収体７０を用いた衝撃吸収体の取付構造を分解して示す分解斜視図である。図８と図９は、図７のＡ２−Ａ２断面にてフロアパネル６０と衝撃吸収体本体部７２とを断面視して衝撃吸収体を取り付ける様子を示す側面図である。衝撃吸収体７０は、係合部７５を有する係合部材７４と、この係合部材７４を貫通させて係止可能な係合部材貫通穴７３を有する衝撃吸収体本体部７２とを備えている。係合部材７４は、係合部材貫通穴７３とフロアパネルの貫通穴６１の両方を貫通して衝撃吸収体本体部７２に係止されながら係合部７５にてフロアパネル６０に対して着脱可能に係合する。 Further, the engaging portion may not be integrated with the shock absorber main body, but may be separated from the main body. In this case, in the above-described embodiment and modification, the shock absorber can be replaced with a separate shock absorber body and engagement portion.
FIG. 7 is an exploded perspective view showing an exploded mounting structure of the shock absorber using the shock absorber 70 in which the engaging portion is separated from the shock absorber main body. 8 and 9 are side views showing a state where the floor panel 60 and the shock absorber main body 72 are viewed in cross section along the A2-A2 cross section of FIG. 7 and the shock absorber is attached. The shock absorber 70 includes an engaging member 74 having an engaging portion 75 and a shock absorber main body 72 having an engaging member through-hole 73 that can be locked by penetrating the engaging member 74. . The engagement member 74 can be attached to and detached from the floor panel 60 at the engagement portion 75 while passing through both the engagement member through hole 73 and the through hole 61 of the floor panel and being locked to the shock absorber main body 72. Engage with.

衝撃吸収体本体部７２は、例えば衝撃吸収体本体部の形状に合わせた成形型内に上述したビーズ状樹脂粒子を多数充填して加熱発泡させて成形することにより、形成することができる。係合部材も、例えば係合部材の形状に合わせた成形型内に上述したビーズ状樹脂粒子を多数充填して加熱発泡させて成形することにより、形成することができる。衝撃吸収体本体部７２と係合部材７４とをともに合成樹脂を発泡させた材質で形成すると、硬質の樹脂製クリップを用いた従来の衝撃吸収体と比べて係合部材貫通穴付近で衝撃吸収体本体部が局所的にエネルギー吸収量が低下することを防ぐことができる。特に、衝撃吸収体本体部７２と係合部材７４とをともに同じ材質で形成すると、より効果的に係合部材貫通穴付近で衝撃吸収体本体部が局所的にエネルギー吸収量が低下することを防ぐことができる。   The shock absorber main body 72 can be formed, for example, by filling a large number of the above-mentioned bead-shaped resin particles in a mold matched to the shape of the shock absorber main body and heating and foaming it. The engaging member can also be formed, for example, by filling a large number of the above-mentioned bead-shaped resin particles in a molding die that matches the shape of the engaging member, and then heating and foaming the molded resin. When both the shock absorber body 72 and the engaging member 74 are formed of a synthetic resin foamed material, the shock absorber is absorbed near the engaging member through-hole as compared with a conventional shock absorber using a hard resin clip. It can prevent that a body main-body part reduces energy absorption amount locally. In particular, if the shock absorber main body 72 and the engagement member 74 are both formed of the same material, the energy absorption amount of the shock absorber main body locally decreases near the engagement member through hole more effectively. Can be prevented.

フロアパネルの貫通穴６１は、係合部７５の挿入方向（下方向）に対する垂直断面（水平面）が楕円形状と非円形状に形成してある。係合部材の係合部７５は、貫通穴７３，６１の両方を貫通して回転動作によりフロアパネル６０に対して着脱可能に係合する形状に形成されている。
係合部材７４は、係合部７５と、係合部材貫通穴７３のみ貫通可能な形状であって垂直断面（水平面）が円形の円柱形状に形成された係合部材本体部７６と、この係合部材本体部７６における挿入方向とは反対方向側（上側）の端部に設けられたフランジ部（操作部）７７とを備えている。係合部７５は、係合部材本体部７６における挿入方向側の端部から挿入方向に突出するとともに貫通穴６１の短径以下の外径とされた円柱状の連結部７５ａと、この連結部７５ａにおける挿入方向の端部に水平面が貫通穴６１の楕円形状の長径以下の長径かつ短径以下の短径とされた楕円形状の楕円部７５ｂとから構成されている。連結部７５ａの挿入方向の長さは、フロアパネル６０の厚さと同じになるようにしてある。係合部材本体部７６は、フロアパネルの貫通穴６１側の端部に係合部７５が設けられていることになる。フロアパネルの貫通穴９１は、係合部７５を挿通させることは可能であるが、係合部材本体部７６を挿通させることはできない大きさとされている。フランジ部７７は、係合部材本体部７６より径方向外側とされた部分を有する短い円柱形状に形成され、挿入方向とは反対方向側の面（上面）に例えば楕円部７５ｂの長径方向に向けた溝７７ａが形成されている。そして、マイナスドライバー等の所定の工具を溝７７ａに挿入して係合部材７４を回転させる操作を行うことが可能である。
衝撃吸収体本体部７２は、係合部材貫通穴７３に係合部材７４を挿入させたときにフランジ部７７を収容して係止させる収容部７２ａを係合部材貫通穴７３周りに備えている。係合部材貫通穴７３における収容部７２ａよりも挿入方向側の部分は、係合部材本体部７６を挿通させることは可能であるが、フランジ部７７を挿通させることはできない大きさとされている。 In the through hole 61 of the floor panel, a vertical section (horizontal plane) with respect to the insertion direction (downward direction) of the engaging portion 75 is formed in an elliptical shape and a noncircular shape. The engaging portion 75 of the engaging member is formed in a shape that detachably engages with the floor panel 60 by rotating through both of the through holes 73 and 61.
The engagement member 74 includes an engagement portion 75, an engagement member main body portion 76 that has a shape that allows only the engagement member through-hole 73 to pass therethrough, and has a vertical cross section (horizontal plane) formed in a circular cylindrical shape. A flange portion (operation portion) 77 provided at an end portion (upper side) opposite to the insertion direction in the combined member main body portion 76 is provided. The engaging portion 75 includes a columnar connecting portion 75a that protrudes in the inserting direction from the end portion on the inserting direction side of the engaging member main body portion 76 and has an outer diameter equal to or smaller than the short diameter of the through hole 61, and the connecting portion. The horizontal plane is composed of an elliptical elliptical part 75b whose major axis is equal to or less than the major axis of the elliptical shape of the through hole 61 and whose minor axis is equal to or less than the minor axis. The length of the connecting portion 75a in the insertion direction is the same as the thickness of the floor panel 60. The engaging member main body 76 is provided with an engaging portion 75 at the end of the floor panel on the through hole 61 side. The through hole 91 of the floor panel has a size that allows the engaging portion 75 to be inserted, but does not allow the engaging member main body portion 76 to be inserted. The flange portion 77 is formed in a short cylindrical shape having a portion that is radially outward from the engaging member main body portion 76, and is directed, for example, in the major axis direction of the elliptical portion 75b on the surface (upper surface) opposite to the insertion direction. A groove 77a is formed. Then, it is possible to perform an operation of rotating the engaging member 74 by inserting a predetermined tool such as a flathead screwdriver into the groove 77a.
The shock absorber main body 72 includes an accommodating portion 72 a around the engaging member through-hole 73 for accommodating and locking the flange portion 77 when the engaging member 74 is inserted into the engaging member through-hole 73. . A portion of the engaging member through hole 73 closer to the insertion direction than the accommodating portion 72a can be inserted through the engaging member main body portion 76, but cannot be inserted through the flange portion 77.

以上の構成により、フロアカーペットの敷設前において、係合部材７４は、係合部７５が貫通穴７３，６１の両方を貫通するとともに係合部材本体部７６が係合部材貫通穴７３を貫通してフランジ部７７が収容部７２ａに係止される。この状態を図９の上段に示している。そして、フランジ部７７を約９０°回す操作を行うと、図９の下段に示すように楕円部７５ｂと係合部材本体部７６とでフロアパネル６０を挟持するので、係合部７５がフロアパネル６０に対して係合する。その後、フロアカーペットを敷設すると、衝撃吸収体７０がフロアパネル６０とフロアカーペットとの間に取付固定される。従って、係合部材を係合部材貫通穴と車体パネルの貫通穴に貫通させて回転させるという簡単な操作で、容易に衝撃吸収体を車体パネルと内装材との間に取り付けることができる。
また、衝撃吸収体をフロアパネルから取り外す時には、フロアカーペットを剥がし、フランジ部７７を約９０°回す操作を行ってフロアパネル６０から係合部７５の係止を解放させる。次に、衝撃吸収体本体部７２を持って係合部材７４を貫通穴６１とは反対方向に引っぱる作業を行うと、貫通穴６１から係合部７５を引き抜くことができる。従って、係合部材を回転させて係合部７５を貫通穴６１から引き抜くという簡単な操作で、容易に衝撃吸収体を車体パネルと内装材との間から取り外すことができる。 With the above configuration, before the floor carpet is laid, the engaging member 74 has the engaging portion 75 passing through both the through holes 73 and 61 and the engaging member main body portion 76 passing through the engaging member through hole 73. The flange portion 77 is locked to the accommodating portion 72a. This state is shown in the upper part of FIG. When the operation of turning the flange portion 77 by about 90 ° is performed, the floor panel 60 is sandwiched between the oval portion 75b and the engagement member main body portion 76 as shown in the lower part of FIG. 60 is engaged. Thereafter, when the floor carpet is laid, the shock absorber 70 is attached and fixed between the floor panel 60 and the floor carpet. Therefore, the shock absorber can be easily attached between the vehicle body panel and the interior material by a simple operation of rotating the engagement member through the engagement member through hole and the through hole of the vehicle body panel.
When removing the shock absorber from the floor panel, the floor carpet is peeled off, and the operation of turning the flange portion 77 by about 90 ° is performed to release the engagement portion 75 from the floor panel 60. Next, when the work of pulling the engaging member 74 in the direction opposite to the through hole 61 with the shock absorber main body 72 is performed, the engaging portion 75 can be pulled out from the through hole 61. Therefore, the shock absorber can be easily removed from between the vehicle body panel and the interior material by a simple operation of rotating the engagement member and pulling out the engagement portion 75 from the through hole 61.

以上説明したように、係合部材を係合部材貫通穴と車体パネルの貫通穴に貫通させて回転させ、また、係合部材を回転させて車体パネルの貫通穴から係合部を引き抜くという簡単な操作で、衝撃吸収体を着脱させることが可能となる。また、係合部材が変形することなく車体パネルに係止されるので、衝撃吸収体の着脱の際に係合部材の破損が防止され、係合部材の耐久性を向上させて衝撃吸収体のリサイクル性を向上させることができる。   As described above, it is easy to rotate the engaging member through the engaging member through hole and the through hole of the vehicle body panel, and rotate the engaging member to pull out the engaging portion from the through hole of the vehicle body panel. The shock absorber can be attached and detached with a simple operation. In addition, since the engaging member is locked to the vehicle body panel without being deformed, the engaging member is prevented from being damaged when the shock absorbing member is attached or detached, and the durability of the engaging member is improved to improve the durability of the shock absorbing member. Recyclability can be improved.

むろん、インナーパネルやアウターパネルに上記非円形状の貫通穴を形成してもよい。内装材に上記非円形状の貫通穴を形成してもよく、内装材基材や表皮材に上記非円形状の貫通穴を形成してもよい。車体パネルや内装材に係止部材を取り付け、この係止部材に上記非円形状の貫通穴を形成してもよい。なお、係合部材は上述した形状に限定されない。例えば、係合部および貫通穴は、係合部の挿入方向に対する垂直断面が正方形、長方形等の多角形等でもよい。
係合部材を衝撃吸収体本体部よりも高密度に形成してもよい。例えば、係合部材の形状に合わせた成形型内にビーズ状樹脂粒子を多数充填して加熱発泡させて成形する際に、充填するビーズ状樹脂粒子の発泡剤の含浸量を衝撃吸収体本体部の成形に用いるビーズ状樹脂粒子の発泡剤の含浸量よりも少なくさせて成形すればよい。すると、衝撃吸収体全体としての耐久性が向上し、衝撃吸収体のリサイクル性がさらに向上する。
係合部材を衝撃吸収体本体部よりも高剛性に形成してもよい。例えば、係合部材の形状に合わせた成形型内にビーズ状樹脂粒子を多数充填して加熱発泡させて成形する際に、充填するビーズ状樹脂粒子の発泡剤の含浸量を衝撃吸収体本体部の成形に用いるビーズ状樹脂粒子の発泡剤の含浸量よりも少なくさせて成形すればよい。また、無発泡の合成樹脂で係合部材を形成してもよい。すると、衝撃吸収体全体としての耐久性が向上し、衝撃吸収体のリサイクル性がさらに向上する。 Of course, the non-circular through hole may be formed in the inner panel or the outer panel. The non-circular through hole may be formed in the interior material, and the non-circular through hole may be formed in the interior material base material or the skin material. A locking member may be attached to the vehicle body panel or the interior material, and the non-circular through hole may be formed in the locking member. The engaging member is not limited to the shape described above. For example, the engaging portion and the through hole may have a square cross section perpendicular to the insertion direction of the engaging portion such as a polygon such as a square or a rectangle.
The engaging member may be formed at a higher density than the shock absorber main body. For example, when a molding die that matches the shape of the engaging member is filled with a large number of bead-shaped resin particles and molded by heating and foaming, the amount of impregnation of the foaming agent of the bead-shaped resin particles to be filled is determined as the impact absorber body What is necessary is just to shape | mold by making it less than the impregnation amount of the foaming agent of the bead-like resin particle used for the shaping | molding of this. Then, the durability of the entire shock absorber is improved, and the recyclability of the shock absorber is further improved.
The engaging member may be formed with higher rigidity than the shock absorber main body. For example, when a molding die that matches the shape of the engaging member is filled with a large number of bead-shaped resin particles and molded by heating and foaming, the amount of impregnation of the foaming agent of the bead-shaped resin particles to be filled is determined as the impact absorber body The bead-shaped resin particles used for molding may be molded with a smaller amount than the amount of impregnation of the foaming agent. Further, the engaging member may be formed of a non-foamed synthetic resin. Then, the durability of the entire shock absorber is improved, and the recyclability of the shock absorber is further improved.

また、図１０と図１１に示す衝撃吸収体の取付構造としてもよい。図１０は衝撃吸収体の取付構造を分解して示す分解斜視図であり、図１１は、図１０のＡ３−Ａ３断面にてアウターパネル８１とインナーパネル８２と衝撃吸収体本体部９２とを断面視して衝撃吸収体９０を取り付ける様子を示す側面図である。本変形例の車体パネルは、少なくとも、アウターパネル８１と、当該アウターパネルよりも車室側に設けられたインナーパネル８２と、から構成されている。衝撃吸収体９０は、係合部９５を有する係合部材９４と、この係合部材９４を貫通させて係止可能な係合部材貫通穴９３を有する衝撃吸収体本体部９２とを備えている。係合部材９４は、係合部材貫通穴９３とインナーパネル８２の貫通穴８３の両方を貫通して衝撃吸収体本体部９２に係止されながら係合部９５にてインナーパネル８２に対して着脱可能に係合する。   Moreover, it is good also as an attachment structure of the shock absorber shown in FIG. 10 and FIG. 10 is an exploded perspective view showing the shock absorber mounting structure in an exploded manner, and FIG. 11 is a cross-sectional view of the outer panel 81, the inner panel 82, and the shock absorber main body 92 taken along the A3-A3 cross section of FIG. It is a side view which shows a mode that the impact absorber 90 is attached visually. The vehicle body panel according to the present modification includes at least an outer panel 81 and an inner panel 82 provided closer to the passenger compartment than the outer panel. The shock absorber 90 includes an engaging member 94 having an engaging portion 95 and a shock absorber main body 92 having an engaging member through-hole 93 that can be locked by penetrating the engaging member 94. . The engaging member 94 passes through both the engaging member through hole 93 and the through hole 83 of the inner panel 82 and is locked to the shock absorber main body 92 while being attached to and detached from the inner panel 82 at the engaging portion 95. Engage possible.

インナーパネルに設けられた貫通穴８３と係合部材貫通穴９３とは、ともに係合部材９４の挿入方向（下方向）に対する垂直断面（水平面）が一定の円形とされた円柱形状に形成されている。係合部材９４は、両貫通穴８３，９３における垂直断面の円形状に合わせて、同垂直断面が一定の円形とされた円柱形状に形成されている。貫通穴８３を貫通してインナーパネルに対して着脱可能に係合する係合部９５は、円柱形状の係合部材９４の側面に形成されている。   The through hole 83 and the engagement member through hole 93 provided in the inner panel are both formed in a columnar shape in which a vertical cross section (horizontal plane) with respect to the insertion direction (downward direction) of the engagement member 94 is a constant circle. Yes. The engagement member 94 is formed in a columnar shape having a circular shape with a constant vertical cross section in accordance with the circular shape of the vertical cross section of both the through holes 83 and 93. An engaging portion 95 that penetrates the through hole 83 and is detachably engaged with the inner panel is formed on a side surface of the cylindrical engaging member 94.

以上の構成により、フロアカーペットの敷設前に、図１１の上段に示すように係合部材９４を貫通穴９３，８３の両方に挿入させる作業を行うと、係合部材９４は貫通穴９３，８３の両方を貫通して挿入方向の端部がアウターパネル８１に当接する（図１１の下段）。この状態で係合部９５はインナーパネル８２に対して係合している。その後、フロアカーペットを敷設すると、衝撃吸収体９０がインナーパネルとフロアカーペットとの間に取付固定される。ここで、係合部材９４がアウターパネル８１に突き当たってインナーパネル８２に係合するので、取付時の衝撃吸収体を確実に固定させることが可能となる。
また、衝撃吸収体をフロアパネルから取り外す時には、フロアカーペットを剥がし、衝撃吸収体本体部９２を持って係合部材９４の挿入方向とは反対方向に引っぱる作業を行うと、貫通穴８３または係合部材貫通穴９３から係合部材９４が引き抜かれる。 With the above configuration, when the engaging member 94 is inserted into both the through holes 93 and 83 as shown in the upper part of FIG. 11 before laying the floor carpet, the engaging member 94 is inserted into the through holes 93 and 83. The end in the insertion direction is in contact with the outer panel 81 (lower stage in FIG. 11). In this state, the engaging portion 95 is engaged with the inner panel 82. Thereafter, when the floor carpet is laid, the shock absorber 90 is attached and fixed between the inner panel and the floor carpet. Here, since the engaging member 94 abuts against the outer panel 81 and engages with the inner panel 82, it is possible to securely fix the shock absorber during attachment.
Further, when removing the shock absorber from the floor panel, the floor carpet is peeled off, and when the work of pulling the shock absorber main body 92 in the direction opposite to the insertion direction of the engagement member 94 is performed, the through hole 83 or the engagement is performed. The engaging member 94 is pulled out from the member through hole 93.

以上説明したように、係合部材を係合部材貫通穴と車体パネルの貫通穴に貫通させるだけいう簡単な操作で、衝撃吸収体を着脱させることが可能となる。また、係合部材が変形することなく車体パネルに係止されるので、衝撃吸収体の着脱の際に係合部材の破損が防止され、係合部材の耐久性を向上させて衝撃吸収体のリサイクル性を向上させることができる。
なお、係合部材は上述した形状に限定されない。例えば、係合部材、係合部材貫通穴およびインナーパネルの貫通穴は、係合部材の挿入方向に対する垂直断面が正方形、長方形等の多角形等でもよい。 As described above, it is possible to attach and detach the shock absorber with a simple operation of simply passing the engaging member through the engaging member through hole and the through hole of the vehicle body panel. In addition, since the engaging member is locked to the vehicle body panel without being deformed, the engaging member is prevented from being damaged when the shock absorbing member is attached or detached, and the durability of the engaging member is improved to improve the durability of the shock absorbing member. Recyclability can be improved.
The engaging member is not limited to the shape described above. For example, the engaging member, the engaging member through hole, and the through hole of the inner panel may have a polygonal shape such as a square or a rectangle in a cross section perpendicular to the insertion direction of the engaging member.

さらに、図１２に示すように、インナーパネル８２上に例えば合成樹脂製の台座（係止部材）８４を取り付け、係合部９７を有する係合部材９６が台座８４に形成された貫通穴８５を貫通してインナーパネル８２に当接することによりインナーパネル８２に対して着脱可能に係合するようにしてもよい。係合部材９６がインナーパネル８２に突き当たって台座８４によりインナーパネル８２に係合するので、取付時の衝撃吸収体を確実に固定させることが可能となる。
以上説明したように、本発明によると、種々の態様により、車体パネルと内装材との間に衝撃吸収体を着脱させることを容易にさせ、衝撃吸収体のリサイクル性を向上させることが可能となる。 Further, as shown in FIG. 12, a base (locking member) 84 made of, for example, synthetic resin is attached on the inner panel 82, and an engaging member 96 having an engaging portion 97 is provided with a through hole 85 formed in the base 84. By penetrating and contacting the inner panel 82, the inner panel 82 may be detachably engaged. Since the engaging member 96 abuts against the inner panel 82 and engages with the inner panel 82 by the pedestal 84, it is possible to securely fix the shock absorber during mounting.
As described above, according to the present invention, according to various aspects, it is possible to easily attach and detach the shock absorber between the vehicle body panel and the interior material, and to improve the recyclability of the shock absorber. Become.

衝撃吸収体の取付構造を採用した乗用自動車の要部断面図。The principal part sectional drawing of the passenger car which adopted the attachment structure of the shock absorber. 衝撃吸収体の外観を示す底面図。The bottom view which shows the external appearance of a shock absorber. 係合部をソケット（係止部材）に挿入させる様子を示す斜視図。The perspective view which shows a mode that an engaging part is inserted in a socket (locking member). インナーパネルに直接貫通穴を形成した変形例を示す要部断面図。The principal part sectional drawing which shows the modification which formed the through-hole directly in the inner panel. 内装材基材に直接貫通穴を形成した変形例を示す要部断面図。The principal part sectional drawing which shows the modification which formed the through-hole directly in the interior material base material. インナーパネル上に台座を取り付けた変形例を示す要部断面図。The principal part sectional drawing which shows the modification which attached the base on the inner panel. 係合部を衝撃吸収体本体部とは別体にした変形例を示す分解斜視図。The disassembled perspective view which shows the modification which made the engagement part a different body from the impact-absorber main-body part. フロアパネルと衝撃吸収体本体部とを断面視して変形例の衝撃吸収体を取り付ける様子を示す側面図。The side view which shows a mode that a floor panel and an impact-absorbing-body main-body part are seen, and a mode that the impact-absorbing body of a modification is attached. フロアパネルと衝撃吸収体本体部とを断面視して変形例の衝撃吸収体を取り付ける様子を示す側面図。The side view which shows a mode that a floor panel and an impact-absorbing-body main-body part are seen, and a mode that the impact-absorbing body of a modification is attached. 係合部材を円柱形状にした変形例を示す分解斜視図。The disassembled perspective view which shows the modification which made the engagement member the column shape. 車体パネルと衝撃吸収体本体部とを断面視して変形例の衝撃吸収体を取り付ける様子を示す側面図。The side view which shows a mode that the shock absorber of a modification is attached by carrying out sectional view of a vehicle body panel and a shock absorber main-body part. 車体パネルと衝撃吸収体本体部とを断面視して変形例の衝撃吸収体を取り付ける様子を示す側面図。The side view which shows a mode that the shock absorber of a modification is attached by carrying out sectional view of a vehicle body panel and a shock absorber main-body part.

符号の説明Explanation of symbols

１０，６０…フロアパネル（車体パネル）
１２…樹脂製ソケット（係止部材）
１３，２５，４３，４７，６１，８３，８５…貫通穴
１５，４５…くびれ部挿入部
２０…フロアカーペット（内装材）
２２…表皮材
２４…内装材基材
３０，５０，７０，９０…衝撃吸収体
３２，５２，７２，９２…衝撃吸収体本体部
３４，３６，５４…係合部
３５…くびれ部
４１，８１…アウターパネル
４２，８２…インナーパネル
４６，８４…台座（係止部材）
７２ａ…収容部
７３，９３…係合部材貫通穴
７４，９４，９６…係合部材
７５，９５，９７…係合部
７６…係合部材本体部
７７…フランジ部（操作部） 10, 60 ... Floor panel (body panel)
12 ... Resin socket (locking member)
13, 25, 43, 47, 61, 83, 85 ... through holes 15, 45 ... constriction part insertion part 20 ... floor carpet (interior material)
22 ... skin material 24 ... interior material base material 30, 50, 70, 90 ... shock absorber 32, 52, 72, 92 ... shock absorber main body 34, 36, 54 ... engagement portion 35 ... constriction 41, 81 ... outer panels 42,82 ... inner panels 46,84 ... pedestal (locking member)
72a ... accommodating portions 73, 93 ... engaging member through holes 74, 94, 96 ... engaging members 75, 95, 97 ... engaging portion 76 ... engaging member main body 77 ... flange portion (operating portion)

Claims (11)

自動車の車体パネルと当該車体パネルよりも車室側に設けられる内装材との間に衝撃を吸収可能な材質からなる衝撃吸収体を取り付ける衝撃吸収体の取付構造であって、
上記車体パネルまたは上記内装材には、貫通穴が設けられ、
上記衝撃吸収体は、上記貫通穴を貫通して上記車体パネルまたは内装材に対して着脱可能に係合する形状とされた係合部を有し衝撃を吸収可能な材質からなる係合部材と、この係合部材を貫通させて係止可能な係合部材貫通穴を有し衝撃を吸収可能な材質からなる衝撃吸収体本体部とを備え、
上記係合部材は、上記係合部材貫通穴と上記車体パネルまたは内装材の貫通穴の両方を貫通して上記衝撃吸収体本体部に係止されながら上記係合部にて上記車体パネルまたは内装材に対して着脱可能に係合することを特徴とする衝撃吸収体の取付構造。 A shock absorber mounting structure for mounting a shock absorber made of a material capable of absorbing shock between a body panel of an automobile and an interior material provided closer to the passenger compartment than the body panel,
The vehicle body panel or the interior material is provided with a through hole,
The impact absorber includes an engagement member made of a material capable of absorbing an impact, having an engagement portion that is configured to detachably engage with the vehicle body panel or the interior material through the through hole. A shock absorber main body made of a material that has an engagement member through-hole that can be locked by penetrating the engagement member, and that can absorb shocks,
The engagement member passes through both the engagement member through hole and the through hole of the vehicle body panel or the interior material, and is locked to the shock absorber main body portion while being engaged with the vehicle body panel or the interior. A shock absorber mounting structure characterized by being detachably engaged with a material . 上記衝撃吸収体本体部と上記係合部材とは、ともに合成樹脂を発泡させた材質で形成されていることを特徴とする請求項１に記載の衝撃吸収体の取付構造。 2. The shock absorber mounting structure according to claim 1 , wherein both the shock absorber main body and the engaging member are formed of a material obtained by foaming synthetic resin. 上記衝撃吸収体本体部と上記係合部材とは、ともに同じ材質で形成されていることを特徴とする請求項１または請求項２に記載の衝撃吸収体の取付構造。 The shock absorber mounting structure according to claim 1 or 2 , wherein both the shock absorber main body and the engaging member are formed of the same material. 上記係合部は、上記貫通穴に挿入する方向に突出するとともに当該挿入する方向の途中でくびれ部が形成された形状とされ、
上記車体パネルまたは内装材には、上記貫通穴が形成されて弾性を有する材質とされるとともに同貫通穴に上記係合部が挿入されるときに撓み動作を経て上記くびれ部に挿入して同貫通穴から上記係合部を引き抜くときに撓みながら上記くびれ部から外れるくびれ部挿入部が形成された係止部材が取り付けられていることを特徴とする請求項１〜請求項３のいずれか一項に記載の衝撃吸収体の取付構造。 The engaging portion protrudes in the direction of insertion into the through hole and has a shape with a constricted portion formed in the middle of the insertion direction,
The body panel or interior material is made of a material having elasticity by forming the through hole, and when the engagement portion is inserted into the through hole, the body panel or the interior material is inserted into the constricted portion through a bending operation. The locking member in which the constriction part insertion part which remove | deviates from the said constriction part while bending when pulling out the said engaging part from a through-hole is attached , The any one of Claims 1-3 characterized by the above-mentioned. The shock absorber mounting structure described in the section . 上記係合部材は、上記係合部材貫通穴と上記車体パネルまたは内装材の貫通穴の両方を貫通して回転動作により上記係合部にて上記車体パネルまたは内装材に対して着脱可能に係合することを特徴とする請求項１〜請求項３のいずれか一項に記載の衝撃吸収体の取付構造。 The engagement member is detachably engaged with the vehicle body panel or the interior material at the engagement portion by rotating operation through both the engagement member through hole and the vehicle body panel or the interior material through hole. The shock absorber mounting structure according to any one of claims 1 to 3, wherein the shock absorber is attached. 上記車体パネルまたは内装材の貫通穴は、上記係合部の挿入方向に対する垂直断面が非円形状に形成され、
上記係合部材の係合部は、上記係合部材貫通穴と上記非円形状の貫通穴の両方を貫通して回転動作により上記車体パネルまたは内装材に対して着脱可能に係合する形状に形成され、
上記係合部材は、上記係合部と、上記係合部材貫通穴のみ貫通可能な形状であって上記垂直断面が円形の形状に形成されるとともに上記車体パネルまたは内装材の貫通穴側の端部に同係合部を設けた係合部材本体部と、この係合部材本体部より径方向外側とされた部分を有するとともに同係合部材本体部における上記挿入方向とは反対方向側の端部に設けられた操作部とを備え、
上記衝撃吸収体本体部は、上記係合部材貫通穴に上記係合部材を挿入させたときに上記操作部を収容して係止させる収容部を備え、
上記係合部材は、上記係合部が上記係合部材貫通穴と上記車体パネルまたは内装材の貫通穴の両方を貫通するとともに上記係合部材本体部が上記係合部材貫通穴を貫通して上記操作部が上記収容部に係止され、同操作部の回し操作により上記係合部にて上記車体パネルまたは内装材に対して着脱可能に係合することを特徴とする請求項５に記載の衝撃吸収体の取付構造。 The through hole of the vehicle body panel or the interior material is formed in a non-circular shape in a vertical cross section with respect to the insertion direction of the engagement portion,
The engaging portion of the engaging member has a shape that detachably engages with the vehicle body panel or the interior material by rotating operation through both the engaging member through hole and the non-circular through hole. Formed,
The engagement member has a shape that allows only the engagement portion and the engagement member through hole to pass therethrough, and the vertical cross section is formed in a circular shape, and the end of the body panel or interior material on the through hole side An engagement member main body portion provided with the same engagement portion on the portion, and an end on the opposite side to the insertion direction in the engagement member main body portion and having a portion radially outward from the engagement member main body portion And an operation part provided in the part,
The shock absorber main body includes a storage portion that stores and locks the operation portion when the engagement member is inserted into the engagement member through-hole.
In the engaging member, the engaging portion passes through both the engaging member through hole and the through hole in the vehicle body panel or the interior material, and the engaging member main body portion passes through the engaging member through hole. the operation unit is locked to the housing unit, according to claim 5, wherein the engaging detachably with respect to the vehicle body panel or interior material at the engaging portion by the turning operation of the operating unit Shock absorber mounting structure. 上記車体パネルは、少なくとも、アウターパネルと、当該アウターパネルよりも車室側に設けられるとともに上記貫通穴が設けられたインナーパネルと、から構成され、
上記係合部は、上記インナーパネルに設けられた貫通穴を貫通して上記アウターパネルまたは上記インナーパネルに当接することにより上記車体パネルに対して着脱可能に係合することを特徴とする請求項１〜請求項３のいずれか一項に記載の衝撃吸収体の取付構造。 The vehicle body panel includes at least an outer panel and an inner panel provided on the vehicle compartment side of the outer panel and provided with the through hole.
The said engaging part detachably engages with the said vehicle body panel by penetrating the through-hole provided in the said inner panel, and contact | abutting to the said outer panel or the said inner panel. The mounting structure for the shock absorber according to any one of claims 1 to 3 . 上記車体パネルは、少なくとも、アウターパネルと、当該アウターパネルよりも車室側に設けられるとともに上記貫通穴が設けられたインナーパネルと、から構成され、
上記インナーパネルに設けられた貫通穴および上記係合部材貫通穴は、上記係合部の挿入方向に対する垂直断面が一定とされた形状に形成され、
上記係合部材は、上記係合部材貫通穴および上記インナーパネルに設けられた貫通穴における上記垂直断面の形状に合わせて、同垂直断面が一定とされた形状に形成されていることを特徴とする請求項１〜請求項３のいずれか一項に記載の衝撃吸収体の取付構造。 The vehicle body panel includes at least an outer panel and an inner panel provided on the vehicle compartment side of the outer panel and provided with the through hole.
The through hole provided in the inner panel and the engagement member through hole are formed in a shape having a constant vertical cross section with respect to the insertion direction of the engagement portion,
The engagement member is formed in a shape in which the vertical cross section is constant according to the shape of the vertical cross section in the through hole provided in the engagement member through hole and the inner panel. The shock absorber mounting structure according to any one of claims 1 to 3 . 上記内装材は、少なくとも、上記貫通穴が設けられた内装材基材と、当該内装材基材の車室側に設けられた表皮材と、から構成され、
上記係合部は、上記内装材基材に設けられた貫通穴を貫通して上記表皮材または上記内装材基材に当接することにより上記内装材に対して着脱可能に係合することを特徴とする請求項１〜請求項３のいずれか一項に記載の衝撃吸収体の取付構造。 The interior material is composed of at least an interior material base material provided with the through hole, and a skin material provided on the interior side of the interior material base material,
The engaging portion is detachably engaged with the interior material by penetrating through a through hole provided in the interior material base material and contacting the skin material or the interior material base material. The shock absorber mounting structure according to any one of claims 1 to 3 . 上記係合部は、上記衝撃吸収体のうち同係合部を除く部分よりも高密度に形成されていることを特徴とする請求項１または請求項２に記載の衝撃吸収体の取付構造。 The shock absorber mounting structure according to claim 1 or 2 , wherein the engaging portion is formed at a higher density than a portion of the shock absorber excluding the engaging portion. 上記係合部は、上記衝撃吸収体のうち同係合部を除く部分よりも高剛性に形成されていることを特徴とする請求項１、請求項２または請求項１０に記載の衝撃吸収体の取付構造。 11. The shock absorber according to claim 1 , wherein the engaging portion is formed with higher rigidity than a portion of the shock absorber excluding the engaging portion. Mounting structure.
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KR101477926B1 (en) * 2013-10-31 2014-12-30 쌍용자동차 주식회사 fixing the flange of headlining support for automobile

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JP2008087511A (en) * 2006-09-29 2008-04-17 Hayashi Telempu Co Ltd Shock-absorbing structure
JP5302563B2 (en) * 2008-03-31 2013-10-02 積水化成品工業株式会社 Shock absorbing member for protecting the lower limb and its mounting structure on the vehicle body
JP2019167072A (en) * 2018-03-26 2019-10-03 トヨタ自動車株式会社 Vehicle front part structure

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