JP2019171789A - Fiber reinforced resin material - Google Patents

Fiber reinforced resin material Download PDF

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JP2019171789A
JP2019171789A JP2018065302A JP2018065302A JP2019171789A JP 2019171789 A JP2019171789 A JP 2019171789A JP 2018065302 A JP2018065302 A JP 2018065302A JP 2018065302 A JP2018065302 A JP 2018065302A JP 2019171789 A JP2019171789 A JP 2019171789A
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reinforced resin
fiber reinforced
resin molded
molded body
fiber
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JP6951282B2 (en
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智志 榎田
Tomoshi Enokida
智志 榎田
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DaikyoNishikawa Corp
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Abstract

To further enhance strength and rigidity around a hollow to-be-fastened protruded part when the to-be-fastened protruded part fastened with use of a fastening member is provided.SOLUTION: A first fiber reinforced resin molded body 10 is formed with a through hole 13a in a portion away from a to-be-fastened protruded part 14. A second fiber reinforced resin molded body 20 is laminated on an inner peripheral surface of the to-be-fastened protruded part 14, has a bottom part 25a integrally formed and extends to the inner peripheral surface of the through hole 13a, and also laminated on an inner peripheral surface of the through hole 13a.SELECTED DRAWING: Figure 4

Description

本発明は、複数の繊維強化樹脂成形体を備えた繊維強化樹脂材に関し、特に、繊維強化樹脂材を締結部材によって締結する構造の技術分野に属する。   The present invention relates to a fiber reinforced resin material provided with a plurality of fiber reinforced resin molded products, and particularly belongs to the technical field of a structure in which a fiber reinforced resin material is fastened by a fastening member.

一般に繊維強化樹脂材は軽量でかつ高剛性であるという利点を持っており、例えば車両や航空機の部品をはじめとして様々な分野で使用されている。   In general, fiber reinforced resin materials have the advantage of being lightweight and highly rigid, and are used in various fields including, for example, parts for vehicles and aircraft.

特許文献1には、マトリックス樹脂が強化繊維で強化された板状の繊維強化複合材料の一方の面に凹凸を形成しておき、この凹凸が形成された面に熱可塑性樹脂を射出成形して該繊維強化複合材料と該熱可塑性樹脂とを一体化させることが開示されている。   In Patent Document 1, an unevenness is formed on one surface of a plate-like fiber-reinforced composite material in which a matrix resin is reinforced with reinforcing fibers, and a thermoplastic resin is injection-molded on the surface on which the unevenness is formed. It is disclosed that the fiber-reinforced composite material and the thermoplastic resin are integrated.

特許文献2には、連続繊維補強材を中子の上に配置した後、キャビティ内に軟化もしくは溶融したマトリックス樹脂を供給するとともに中子を押し上げて連続繊維補強材をマトリックス樹脂に埋め込んで一体成形することが開示されている。マトリックス樹脂内には短繊維もしくは長繊維が含有されている。   In Patent Document 2, after a continuous fiber reinforcing material is disposed on the core, a softened or melted matrix resin is supplied into the cavity, and the core is pushed up to embed the continuous fiber reinforcing material in the matrix resin and integrally molded. Is disclosed. The matrix resin contains short fibers or long fibers.

特許文献3には、平織された連続繊維を含む第1プリプレグと、不連続繊維を含む第2プリプレグとを積層状態で加圧することで、連続繊維で補強した本体部と、不連続繊維で補強したリブとを一体成形し、自動車のバンパービームを得ることが開示されている。   In Patent Document 3, a main part reinforced with continuous fibers and a reinforced with discontinuous fibers by pressing a first prepreg containing plain woven continuous fibers and a second prepreg containing discontinuous fibers in a laminated state. It is disclosed that the rib is integrally molded to obtain an automobile bumper beam.

特許文献4には、繊維とマトリックス樹脂との複合材からなる表層材の内側に、積層されたガラス繊維の織物が樹脂材にて固められて構成されたブロック状の内部部材を設けることが開示されている。特許文献4では、締結荷重を受ける締結用部材が、ガラス繊維の織物の積層方向が深さ方向となるように設けられた孔に圧入されている。   Patent Document 4 discloses providing a block-like internal member formed by laminating a laminated glass fiber fabric with a resin material inside a surface layer material made of a composite material of fibers and a matrix resin. Has been. In Patent Document 4, a fastening member that receives a fastening load is press-fitted into a hole provided so that a lamination direction of glass fiber fabrics is a depth direction.

特開2010−274508号公報JP 2010-274508 A 特許第5418684号公報Japanese Patent No. 5418684 特許第5734459号公報Japanese Patent No. 5734459 特開2008−215465号公報JP 2008-215465 A

ところで、特許文献1〜4に開示されているように、繊維強化樹脂材を構成するマトリックス樹脂の種類は多いとともに、強化繊維についても連続繊維、長繊維、短繊維等、様々あり、これらを組み合わせることが行われている。また特許文献3、4のように、繊維強化樹脂材を多層構造とすることも行われている。   By the way, as disclosed in Patent Documents 1 to 4, there are many kinds of matrix resins constituting the fiber reinforced resin material, and there are various kinds of reinforcing fibers such as continuous fibers, long fibers, short fibers, and the like, which are combined. Things have been done. In addition, as disclosed in Patent Documents 3 and 4, a fiber reinforced resin material has a multilayer structure.

ところで、特許文献4では、締結用部材が繊維強化樹脂材の一部に圧入されており、この締結用部材に対して締結時の締結荷重が作用するようになっている。しかしながら、例えば重い機械装置に対して繊維強化樹脂材が締結されていて、この締結部位によって機械装置を支持しなければならないような場合には、繊維強化樹脂材における締結用部材が圧入されている部分に対して外部から大きな荷重が作用することになる。また例えば特許文献3のように自動車のバンパービームを繊維強化樹脂材で構成する場合には、車両衝突時の衝撃荷重が、バンパービームにおける締結部分に対して作用することになる。   By the way, in patent document 4, the fastening member is press-fitted into a part of the fiber reinforced resin material, and the fastening load at the time of fastening acts on this fastening member. However, for example, when a fiber reinforced resin material is fastened to a heavy mechanical device and the mechanical device must be supported by the fastening portion, a fastening member in the fiber reinforced resin material is press-fitted. A large load acts on the portion from the outside. For example, when a bumper beam of an automobile is made of a fiber reinforced resin material as in Patent Document 3, an impact load at the time of a vehicle collision acts on a fastening portion of the bumper beam.

つまり、被締結部が形成されている部材を繊維強化樹脂材で構成する場合には、その被締結部周りの強度及び剛性をいかにして向上させるかが課題となる。   That is, when the member in which the fastened portion is formed is made of a fiber reinforced resin material, how to improve the strength and rigidity around the fastened portion becomes a problem.

本発明は、かかる点に鑑みてなされたものであり、その目的とするところは、締結部材によって締結される中空状の被締結突出部を設ける場合に、該被締結突出部周りの強度及び剛性をより一層向上させることにある。   The present invention has been made in view of such a point, and the object of the present invention is to provide strength and rigidity around the fastened protrusion when a hollow fastened protrusion to be fastened by a fastening member is provided. Is to further improve.

上記目的を達成するために、第1の発明は、マトリックス樹脂が強化繊維で強化された第1繊維強化樹脂成形体と、マトリックス樹脂が強化繊維で強化された第2繊維強化樹脂成形体とが積層された部分を有する繊維強化樹脂材において、上記第1繊維強化樹脂成形体には、上記繊維強化樹脂材を締結する締結部材が挿入される開口部を有する中空状の被締結突出部と、該被締結突出部から離れた部分を貫通する貫通孔とが形成され、上記第2繊維強化樹脂成形体は、上記被締結突出部の内周面に積層され、上記被締結突出部の底部を一体に形成するとともに、上記貫通孔の内周面に達するまで延び、該貫通孔の内周面にも積層されていることを特徴とする。   In order to achieve the above object, the first invention includes a first fiber reinforced resin molded body in which a matrix resin is reinforced with reinforcing fibers, and a second fiber reinforced resin molded body in which the matrix resin is reinforced with reinforced fibers. In the fiber reinforced resin material having a laminated portion, the first fiber reinforced resin molded body has a hollow fastened protrusion having an opening into which a fastening member for fastening the fiber reinforced resin material is inserted, and A through hole penetrating a portion away from the fastened protrusion, and the second fiber reinforced resin molded body is laminated on the inner peripheral surface of the fastened protrusion, and the bottom of the fastened protrusion is It is formed integrally and extends until it reaches the inner peripheral surface of the through hole, and is also laminated on the inner peripheral surface of the through hole.

この構成によれば、繊維強化樹脂材が、被締結突出部の開口部に挿入された締結部材によって締結される。被締結突出部は第1繊維強化樹脂成形体に形成されているが、この被締結突出部の内周面には第2繊維強化樹脂成形体が積層されて多層構造になっており、しかも、第2繊維強化樹脂成形体によって底部が一体に形成されているので、被締結突出部周りの強度及び剛性が向上する。さらに、被締結突出部の内周面に積層された第2繊維強化樹脂成形体は、第1繊維強化樹脂成形体の貫通孔の内周面に達するまで延びていて、この貫通孔の内周面にも積層されているので、第1繊維強化樹脂成形体の広い範囲に積層されることになるとともに、第1繊維強化樹脂成形体と強固に一体化することになる。このことにより、被締結突出部周りの強度及び剛性がより一層向上する。尚、被締結突出部の突出方向は特に限定されない。   According to this configuration, the fiber-reinforced resin material is fastened by the fastening member inserted into the opening of the fastened protrusion. The fastened protrusion is formed in the first fiber-reinforced resin molded body, and the second fiber-reinforced resin molded body is laminated on the inner peripheral surface of the fastened protrusion, and has a multilayer structure, Since the bottom portion is integrally formed by the second fiber reinforced resin molded body, the strength and rigidity around the fastened protrusion are improved. Furthermore, the second fiber reinforced resin molded body laminated on the inner peripheral surface of the fastened projecting portion extends to reach the inner peripheral surface of the through hole of the first fiber reinforced resin molded body, and the inner periphery of the through hole Since it is also laminated on the surface, it is laminated in a wide range of the first fiber reinforced resin molded body and is firmly integrated with the first fiber reinforced resin molded body. This further improves the strength and rigidity around the fastened protrusion. In addition, the protrusion direction of a to-be-fastened protrusion part is not specifically limited.

第2の発明は、第1の発明において、上記第1繊維強化樹脂成形体は、凹部及び凸部の少なくとも一方を有し、上記第2繊維強化樹脂成形体は、上記第1繊維強化樹脂成形体の上記凹部及び凸部の少なくとも一方に沿うように形成されていることを特徴とする。   According to a second invention, in the first invention, the first fiber reinforced resin molded body has at least one of a concave portion and a convex portion, and the second fiber reinforced resin molded body is the first fiber reinforced resin molded body. It is formed along at least one of the concave portion and the convex portion of the body.

この構成によれば、第1繊維強化樹脂成形体の凹部や凸部に沿うように第2繊維強化樹脂成形体が形成されているので、第1繊維強化樹脂成形体と第2繊維強化樹脂成形体との接触面積が増えるとともにアンカー効果を発生させることが可能になり、第1繊維強化樹脂成形体と第2繊維強化樹脂成形体との接合力が高まる。   According to this structure, since the 2nd fiber reinforced resin molded object is formed so that the recessed part and convex part of a 1st fiber reinforced resin molded object may be followed, the 1st fiber reinforced resin molded object and the 2nd fiber reinforced resin molded object As the contact area with the body increases, an anchor effect can be generated, and the bonding force between the first fiber reinforced resin molded body and the second fiber reinforced resin molded body increases.

第3の発明は、第1または2の発明において、上記第2繊維強化樹脂成形体には、弾性材からなるシール材が収容される環状の溝部が形成されていることを特徴とする。   A third invention is characterized in that, in the first or second invention, the second fiber-reinforced resin molded body is formed with an annular groove portion in which a sealing material made of an elastic material is accommodated.

この構成によれば、環状の溝部を形成することにより、シール材が所定位置からずれないように位置決めされ、また第2繊維強化樹脂成形体の剛性が高まる。   According to this configuration, by forming the annular groove portion, the sealing material is positioned so as not to deviate from the predetermined position, and the rigidity of the second fiber reinforced resin molded body is increased.

第4の発明は、第1から3のいずれか1つの発明において、上記第1繊維強化樹脂成形体と上記第2繊維強化樹脂成形体とが積層された部分には、マトリックス樹脂が強化繊維で強化された第3繊維強化樹脂成形体が積層されていることを特徴とする。   According to a fourth invention, in any one of the first to third inventions, the matrix resin is a reinforcing fiber in a portion where the first fiber reinforced resin molded body and the second fiber reinforced resin molded body are laminated. A reinforced third fiber reinforced resin molded body is laminated.

この構成によれば、第1繊維強化樹脂成形体、第2繊維強化樹脂成形体及び第3繊維強化樹脂成形体が積層されることになるので、剛性がより一層高まる。   According to this configuration, since the first fiber reinforced resin molded body, the second fiber reinforced resin molded body, and the third fiber reinforced resin molded body are laminated, the rigidity is further increased.

第5の発明は、第1から4のいずれか1つの発明において、上記第1繊維強化樹脂成形体には、上記被締結突出部の外周面から上記貫通孔の周縁部へ向けて延びるリブが形成されていることを特徴とする。   According to a fifth invention, in any one of the first to fourth inventions, the first fiber reinforced resin molded body has a rib extending from an outer peripheral surface of the fastened projecting portion toward a peripheral portion of the through hole. It is formed.

この構成によれば、リブによって被締結突出部と貫通孔の周縁部とが連結されるので、被締結突出部の変形が抑制されるとともに、被締結突出部から貫通孔の周縁部までの剛性が高まる。   According to this configuration, the fastened protrusion and the peripheral edge of the through hole are connected by the rib, so that deformation of the fastened protrusion is suppressed and rigidity from the fastened protrusion to the peripheral edge of the through hole is suppressed. Will increase.

第6の発明は、第1から5のいずれか1つの発明において、上記第2繊維強化樹脂成形体は、上記第1繊維強化樹脂成形体における上記貫通孔の周縁部を覆うように形成されていることを特徴とする。   According to a sixth invention, in any one of the first to fifth inventions, the second fiber reinforced resin molded body is formed so as to cover a peripheral edge portion of the through hole in the first fiber reinforced resin molded body. It is characterized by being.

この構成によれば、貫通孔の周縁部の剛性が高まるとともに、第1繊維強化樹脂成形体と第2繊維強化樹脂成形体との接合力が高まる。   According to this structure, while the rigidity of the peripheral part of a through-hole increases, the joining force of a 1st fiber reinforced resin molded object and a 2nd fiber reinforced resin molded object increases.

第7の発明は、第1から6いずれか1つの発明において、上記第2繊維強化樹脂成形体の周縁部には、フランジ形状部が形成されていることを特徴とする。   According to a seventh invention, in any one of the first to sixth inventions, a flange-shaped portion is formed at a peripheral edge portion of the second fiber-reinforced resin molded body.

この構成によれば、第2繊維強化樹脂成形体の周縁部にフランジ形状部が形成されることで、剛性がより一層高まる。   According to this structure, rigidity is further increased by forming the flange-shaped portion at the peripheral edge of the second fiber-reinforced resin molded body.

第1の発明によれば、第1繊維強化樹脂成形体に、開口部を有する被締結突出部と貫通孔とを互いに離して形成し、被締結突出部の内周面に積層した第2繊維強化樹脂成形体によって被締結突出部の底部を一体に形成し、さらに、第2繊維強化樹脂成形体が貫通孔の内周面に達するまで延び、該貫通孔の内周面にも第2繊維強化樹脂成形体を積層したので、被締結突出部周りの強度及び剛性をより一層向上させることができる。   According to 1st invention, the 2nd fiber which formed the to-be-fastened protrusion part and through-hole which have an opening part in the 1st fiber reinforced resin molded object mutually spaced apart, and was laminated | stacked on the internal peripheral surface of the to-be-fastened protrusion part The bottom part of the to-be-fastened protrusion is formed integrally with the reinforced resin molded body, and further extends until the second fiber reinforced resin molded body reaches the inner peripheral surface of the through hole, and the second fiber is also formed on the inner peripheral surface of the through hole. Since the reinforced resin molded body is laminated, the strength and rigidity around the fastened protrusion can be further improved.

第2の発明によれば、第2繊維強化樹脂成形体が第1繊維強化樹脂成形体の凹部及び凸部の少なくとも一方に沿うように形成されているので、第1繊維強化樹脂成形体と第2繊維強化樹脂成形体との接合力を高めることができる。   According to the second invention, the second fiber reinforced resin molded body is formed along at least one of the concave portion and the convex portion of the first fiber reinforced resin molded body. The joining force with the two-fiber reinforced resin molded product can be increased.

第3の発明によれば、第2繊維強化樹脂成形体に、弾性材からなるシール材が収容される環状の溝部を形成したので、シール材を位置決めすることができるとともに、第2繊維強化樹脂成形体の剛性をより一層高めることができる。   According to the third invention, since the annular groove portion in which the sealing material made of the elastic material is accommodated is formed in the second fiber reinforced resin molded body, the sealing material can be positioned and the second fiber reinforced resin The rigidity of the molded body can be further increased.

第4の発明によれば、第1繊維強化樹脂成形体、第2繊維強化樹脂成形体及び第3繊維強化樹脂成形体が積層されることになるので、剛性をより一層高めることができる。   According to the fourth invention, since the first fiber reinforced resin molded body, the second fiber reinforced resin molded body, and the third fiber reinforced resin molded body are laminated, the rigidity can be further increased.

第5の発明によれば、被締結突出部の変形を抑制できるとともに、被締結突出部から貫通孔の周縁部までの剛性を高めることができる。   According to 5th invention, while being able to suppress a deformation | transformation of a to-be-fastened protrusion part, the rigidity from a to-be-fastened protrusion part to the peripheral part of a through-hole can be improved.

第6の発明によれば、第2繊維強化樹脂成形体が第1繊維強化樹脂成形体における貫通孔の周縁部を覆うように形成されているので、貫通孔の周縁部の剛性を高めることができるとともに、第1繊維強化樹脂成形体と第2繊維強化樹脂成形体との接合力を高めることができる。   According to the sixth invention, since the second fiber reinforced resin molded body is formed so as to cover the peripheral edge portion of the through hole in the first fiber reinforced resin molded body, the rigidity of the peripheral edge portion of the through hole can be increased. In addition, the bonding force between the first fiber reinforced resin molded body and the second fiber reinforced resin molded body can be increased.

第7の発明によれば、第2繊維強化樹脂成形体の周縁部にフランジ形状部を形成したので、剛性をより一層高めることができる。   According to the seventh invention, since the flange-shaped portion is formed at the peripheral edge of the second fiber reinforced resin molded product, the rigidity can be further increased.

本発明の実施形態1に係る繊維強化樹脂材の斜視図である。It is a perspective view of the fiber reinforced resin material which concerns on Embodiment 1 of this invention. 図1のII−II線断面図である。It is the II-II sectional view taken on the line of FIG. 図1のIII−III線断面図である。It is the III-III sectional view taken on the line of FIG. 図1のIV−IV線断面図である。It is the IV-IV sectional view taken on the line of FIG. 図4におけるA部の拡大図であり、締結部材によって締結された状態を示す。It is an enlarged view of the A section in FIG. 4, and shows the state fastened by the fastening member. 穴開け加工前の第1繊維強化樹脂成形体を示しており、図1のIV−IV線に相当する断面図である。The 1st fiber reinforced resin molding before drilling is shown, and is sectional drawing equivalent to the IV-IV line of FIG. 穴開け加工後の図6相当図である。FIG. 7 is a view corresponding to FIG. 6 after drilling. 第1繊維強化樹脂成形体と第2繊維強化樹脂成形体とを積層した状態を示しており、図1のIV−IV線に相当する断面図である。It is the sectional view equivalent to the IV-IV line of Drawing 1 showing the state where the 1st fiber reinforced resin fabrication object and the 2nd fiber reinforcement resin fabrication object were laminated. 実施形態1の変形例1に係る図8相当図である。FIG. 9 is a view corresponding to FIG. 8 according to a first modification of the first embodiment. 実施形態1の変形例2に係る図8相当図である。FIG. 9 is a view corresponding to FIG. 8 according to a second modification of the first embodiment. 実施形態1の変形例3に係る図5相当図である。FIG. 6 is a view corresponding to FIG. 5 according to a third modification of the first embodiment. 実施形態1の変形例4に係る図2相当図である。FIG. 6 is a view corresponding to FIG. 2 according to a fourth modification of the first embodiment. 実施形態1の変形例4に係る図3相当図である。FIG. 6 is a view corresponding to FIG. 3 according to Modification 4 of Embodiment 1. 本発明の実施形態2に係る図6相当図である。FIG. 7 is a view corresponding to FIG. 6 according to Embodiment 2 of the present invention. 実施形態2に係る図7相当図である。FIG. 8 is a diagram corresponding to FIG. 7 according to the second embodiment. 実施形態2に係る図8相当図である。FIG. 9 is a view corresponding to FIG. 8 according to the second embodiment. 本発明の実施形態3に係る図8相当図である。FIG. 9 is a view corresponding to FIG. 8 according to Embodiment 3 of the present invention.

以下、本発明の実施形態を図面に基づいて詳細に説明する。尚、以下の好ましい実施形態の説明は、本質的に例示に過ぎず、本発明、その適用物或いはその用途を制限することを意図するものではない。   Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. It should be noted that the following description of the preferred embodiment is merely illustrative in nature, and is not intended to limit the present invention, its application, or its use.

(実施形態1)
図1は、本発明の実施形態1に係る繊維強化樹脂材1を示す斜視図である。この繊維強化樹脂材1は、例えばエンジンに設けられるカバー(フロントカバー、チェーンカバー、シリンダヘッドカバー等)や、オイルパン等として使用される部品である。繊維強化樹脂材1は、エンジン以外にも自動変速機のカバーやオイルパン、自動車の内装材や外装材、補強部材等として使用することができる。したがって、繊維強化樹脂材1は、自動車用部品と呼ぶことができる。
(Embodiment 1)
FIG. 1 is a perspective view showing a fiber-reinforced resin material 1 according to Embodiment 1 of the present invention. The fiber reinforced resin material 1 is a component used as a cover (front cover, chain cover, cylinder head cover, etc.) provided in an engine, an oil pan, or the like. In addition to the engine, the fiber reinforced resin material 1 can be used as a cover or an oil pan of an automatic transmission, an automobile interior material or exterior material, a reinforcing member, or the like. Therefore, the fiber reinforced resin material 1 can be called an automobile part.

図2〜図4に繊維強化樹脂材1の各部の断面を示すように、繊維強化樹脂材1は、マトリックス樹脂が強化繊維で強化された第1繊維強化樹脂成形体10と、マトリックス樹脂が強化繊維で強化された第2繊維強化樹脂成形体20とが積層された部分を有している。第1繊維強化樹脂成形体10と第2繊維強化樹脂成形体20のマトリックス樹脂は、特に限定されるものではなく、従来から周知の樹脂を使用することができ、互いに同じであってもよいし、異なっていてもよい。例えば、マトリックス樹脂には、ポリアミド樹脂を用いて、充填材、難燃剤、着色剤、安定化剤等を含有させることができる。   2 to 4, the fiber reinforced resin material 1 includes a first fiber reinforced resin molded body 10 in which the matrix resin is reinforced with reinforced fibers, and the matrix resin is reinforced. It has a portion where the second fiber reinforced resin molded body 20 reinforced with fibers is laminated. The matrix resin of the 1st fiber reinforced resin molded object 10 and the 2nd fiber reinforced resin molded object 20 is not specifically limited, Conventionally well-known resin can be used and may mutually be the same. , May be different. For example, the matrix resin can contain a filler, a flame retardant, a colorant, a stabilizer and the like using a polyamide resin.

第1繊維強化樹脂成形体10と第2繊維強化樹脂成形体20のそれぞれに含まれる強化繊維は、例えば炭素繊維やガラス繊維を挙げることができる。第1繊維強化樹脂成形体10に含まれる強化繊維は、連続繊維または不連続繊維を使用することができる。連続繊維は、第1繊維強化樹脂成形体10の所定方向に連続した繊維であり、このような連続繊維を第1繊維強化樹脂成形体10の一方向に並ぶように配置するとともに、その一方向に配置した第1繊維強化樹脂成形体10の上に他方向に並ぶように配置して積層状態にすることができる。不連続繊維としては、長さが例えば20mm〜50mm程度の繊維を使用することができ、このような繊維を、方向を定めずに配置してマトリックス樹脂によって固めることにより、繊維強化樹脂成形体を得ることができる。第2繊維強化樹脂成形体20に含まれる強化繊維も、連続繊維または不連続繊維を使用することができる。この実施形態では、第1繊維強化樹脂成形体10に含まれる強化繊維が連続繊維であり、第2繊維強化樹脂成形体20に含まれる強化繊維が不連続繊維である。   Examples of the reinforcing fibers included in each of the first fiber reinforced resin molded body 10 and the second fiber reinforced resin molded body 20 include carbon fibers and glass fibers. A continuous fiber or a discontinuous fiber can be used as the reinforcing fiber included in the first fiber-reinforced resin molded body 10. The continuous fibers are fibers that are continuous in a predetermined direction of the first fiber reinforced resin molded body 10, and such continuous fibers are arranged in one direction of the first fiber reinforced resin molded body 10, and the one direction The first fiber reinforced resin molded body 10 arranged in the above can be arranged in a stacked state by being arranged in the other direction. As the discontinuous fibers, fibers having a length of, for example, about 20 mm to 50 mm can be used. By arranging such fibers without setting the direction and solidifying with a matrix resin, a fiber reinforced resin molded body can be obtained. Obtainable. A continuous fiber or a discontinuous fiber can also be used for the reinforcing fiber contained in the second fiber-reinforced resin molded body 20. In this embodiment, the reinforcing fiber contained in the first fiber reinforced resin molded body 10 is a continuous fiber, and the reinforcing fiber contained in the second fiber reinforced resin molded body 20 is a discontinuous fiber.

繊維強化樹脂材1は、その全体に亘って第1繊維強化樹脂成形体10と第2繊維強化樹脂成形体20とが積層されていてもよいし、また、第1繊維強化樹脂成形体10の全体に第2繊維強化樹脂成形体20が積層され、更に外周の任意の部分が第2繊維強化樹脂成形体20のみで構成されていてもよい。また、繊維強化樹脂材1の一部分だけ、第1繊維強化樹脂成形体10と第2繊維強化樹脂成形体20とが積層され、残りの部分が第1繊維強化樹脂成形体10のみで構成されていてもよいし、第2繊維強化樹脂成形体20のみで構成されていてもよい。   The fiber reinforced resin material 1 may be formed by laminating the first fiber reinforced resin molded body 10 and the second fiber reinforced resin molded body 20 over the whole, or the first fiber reinforced resin molded body 10. The second fiber reinforced resin molded body 20 may be laminated on the entire surface, and an arbitrary portion on the outer periphery may be constituted only by the second fiber reinforced resin molded body 20. Moreover, the 1st fiber reinforced resin molded object 10 and the 2nd fiber reinforced resin molded object 20 are laminated | stacked only in a part of the fiber reinforced resin material 1, and the remaining part is comprised only with the 1st fiber reinforced resin molded object 10. Alternatively, it may be configured only by the second fiber reinforced resin molded body 20.

(第1繊維強化樹脂成形体10の構成)
図1や図2等に示すように、第1繊維強化樹脂成形体10は、本体板部11と、本体板部11の周縁部から該本体板部11の厚み方向に突出して周方向に延びる周壁部12と、周壁部12の突出方向先端部から延出する延出板部13とを有しており、本体板部11、周壁部12及び延出板部13は一体成形されている。周壁部12が本体板部11の周縁部から厚み方向に突出しているので、第1繊維強化樹脂成形体10は立体的な形状になり、特にカバー部材として使用するのに好適な形状となる。延出板部13は、繊維強化樹脂材1を例えばエンジンや自動変速機の本体に締結するための部分であり、環状に形成されている。
(Configuration of the first fiber-reinforced resin molded body 10)
As shown in FIGS. 1 and 2, the first fiber-reinforced resin molded body 10 protrudes in the thickness direction of the main body plate portion 11 from the main body plate portion 11 and the peripheral edge portion of the main body plate portion 11 and extends in the circumferential direction. The peripheral wall part 12 and the extending plate part 13 extended from the front-end | tip part of the protrusion direction of the peripheral wall part 12 are provided, and the main-body board part 11, the peripheral wall part 12, and the extending board part 13 are integrally molded. Since the peripheral wall part 12 protrudes from the peripheral part of the main-body board part 11 in the thickness direction, the 1st fiber reinforced resin molded object 10 becomes a three-dimensional shape, and becomes a shape suitable especially for using as a cover member. The extension plate portion 13 is a portion for fastening the fiber reinforced resin material 1 to, for example, a main body of an engine or an automatic transmission, and is formed in an annular shape.

本体板部11における周縁部から離れた部分には、繊維強化樹脂材1を例えば車体等に締結するための締結部材(図示せず)が挿入される開口部14bを有する中空状の被締結突出部14が形成されている。この被締結突出部14は、周壁部12の突出方向とは反対方向に突出しており、この実施形態では所定方向に長い形状となっている。被締結突出部14の形状は特に限定されるものではなく、例えば円錐状、多角錘状、台形状であってもよいし、略L字状をなすような形状であってもよい。また、被締結突出部14の突出方向は、本体板部11の表面方向であってもよいし、裏面方向であってもよい。   A hollow fastened protrusion having an opening 14b into which a fastening member (not shown) for fastening the fiber reinforced resin material 1 to, for example, a vehicle body is inserted in a portion of the main body plate portion 11 away from the peripheral edge portion. A portion 14 is formed. The fastened projecting portion 14 projects in a direction opposite to the projecting direction of the peripheral wall portion 12, and has a shape that is long in a predetermined direction in this embodiment. The shape of the fastening protrusion 14 is not particularly limited, and may be, for example, a conical shape, a polygonal pyramid shape, a trapezoidal shape, or a shape that is substantially L-shaped. Further, the protruding direction of the fastened protruding portion 14 may be the front surface direction of the main body plate portion 11 or the back surface direction.

この実施形態では、繊維強化樹脂材1を車体等に締結するための締結部材が2つ使用されるので、被締結突出部14には、2つの開口部14bが該被締結突出部14の先端壁部14aに開口するように形成されている。2つの開口部14bは被締結突出部14の長手方向に間隔をあけて配置されており、一方の開口部14bは被締結突出部14の長手方向の一端部近傍に、他方の開口部14bは被締結突出部14の長手方向の他端部近傍に位置している。各開口部14bにはナット部材30が挿入され、締結部材で締結される。締結部材は、例えばボルト等である。   In this embodiment, since two fastening members for fastening the fiber reinforced resin material 1 to the vehicle body or the like are used, two openings 14b are formed at the fastening protrusions 14 at the tips of the fastening protrusions 14. It is formed so as to open in the wall portion 14a. The two openings 14b are arranged at a distance in the longitudinal direction of the fastened protrusion 14, one opening 14b is near one end in the longitudinal direction of the fastened protrusion 14, and the other opening 14b is It is located near the other end in the longitudinal direction of the fastened protrusion 14. A nut member 30 is inserted into each opening 14b and fastened by a fastening member. The fastening member is, for example, a bolt or the like.

延出板部13には、繊維強化樹脂材1を例えばエンジンや自動変速機の本体B(図5に示す)に締結するため締結部材C(図5に示す)が挿入される貫通孔13aが形成されている。この貫通孔13aは、第1繊維強化樹脂成形体10の周縁部近傍に位置しているので、第1繊維強化樹脂成形体10における被締結突出部14から離れた部分を貫通することになる。貫通孔13aは複数形成することができ、この場合、延出板部13の周方向に互いに間隔をあけて形成する。また貫通孔13aは円形とされている。   The extension plate portion 13 has a through hole 13a into which a fastening member C (shown in FIG. 5) is inserted for fastening the fiber reinforced resin material 1 to, for example, a main body B (shown in FIG. 5) of an engine or an automatic transmission. Is formed. Since this through-hole 13a is located in the vicinity of the peripheral edge portion of the first fiber reinforced resin molded body 10, it penetrates a portion of the first fiber reinforced resin molded body 10 away from the fastened protruding portion 14. A plurality of through holes 13a can be formed. In this case, the through holes 13a are formed at intervals in the circumferential direction of the extending plate portion 13. The through hole 13a is circular.

図1に示すように、本体板部11には、被締結突出部14の外周面から貫通孔13aの周縁部へ向けて延びるリブ15が形成されている。図3に示すように、リブ15は内部が中空とされた中空リブであり、本体板部11から被締結突出部14の突出方向と同方向に膨出するように形成されている。リブ15の高さは、被締結突出部14側の端部が最も高く、貫通孔13aに近づくにつれて次第に低くなっている。   As shown in FIG. 1, the main body plate portion 11 is formed with ribs 15 extending from the outer peripheral surface of the fastened protrusion 14 toward the peripheral edge of the through hole 13a. As shown in FIG. 3, the rib 15 is a hollow rib whose inside is hollow, and is formed so as to bulge from the main body plate portion 11 in the same direction as the protruding direction of the fastened protruding portion 14. The height of the rib 15 is the highest at the end of the fastened protrusion 14 and gradually decreases as it approaches the through hole 13a.

リブ15は、被締結突出部14の長手方向一端部の外周面の2箇所からそれぞれ延びるものと、被締結突出部14の長手方向他端部の外周面の2箇所からそれぞれ延びるものとが含まれている。リブ15の数は、特に限定されるものではなく、1つであってもよい。リブ15は、第1繊維強化樹脂成形体10から突出する凸部である。また、図示しないが、本体板部11には、凹部を形成してもよい。   The ribs 15 include those extending from two locations on the outer peripheral surface of one end portion in the longitudinal direction of the fastened protrusion 14 and those extending from two locations on the outer peripheral surface of the other end portion in the longitudinal direction of the fastened protruding portion 14. It is. The number of ribs 15 is not particularly limited, and may be one. The rib 15 is a convex portion protruding from the first fiber-reinforced resin molded body 10. Although not shown, the body plate portion 11 may be formed with a recess.

(第2繊維強化樹脂成形体20の構成)
第2繊維強化樹脂成形体20は、第1繊維強化樹脂成形体10の本体板部11、周壁部12及び延出板部13に積層されている。第2繊維強化樹脂成形体20における第1繊維強化樹脂成形体10側の面と、第1繊維強化樹脂成形体10における第2繊維強化樹脂成形体20側の面とが接合されて第1繊維強化樹脂成形体10と第2繊維強化樹脂成形体20とが一体化されている。
(Configuration of Second Fiber Reinforced Resin Molded Body 20)
The second fiber reinforced resin molded body 20 is laminated on the main body plate portion 11, the peripheral wall portion 12, and the extending plate portion 13 of the first fiber reinforced resin molded body 10. The surface of the second fiber reinforced resin molded body 20 on the first fiber reinforced resin molded body 10 side and the surface of the first fiber reinforced resin molded body 10 on the second fiber reinforced resin molded body 20 side are joined together to form the first fiber. The reinforced resin molded body 10 and the second fiber reinforced resin molded body 20 are integrated.

第2繊維強化樹脂成形体20は、第1繊維強化樹脂成形体10の被締結突出部14の内周面に積層されるとともに、被締結突出部14の底部を一体に形成しており、さらに、貫通孔13aの内周面に達するまで延び、該貫通孔13aの内周面にも積層されている。すなわち、図2に示すように、第2繊維強化樹脂成形体20における本体板部11に積層されている部分は、第1繊維強化樹脂成形体10の被締結突出部14の内周面に積層されるように膨出した膨出部21を有している。膨出部21の外周面が被締結突出部14の内周面に接合されている。膨出部21の内部には、リブ23が形成されている。リブ23は、膨出部21の長手方向と交差する方向に延びており、両端部が膨出部21の内面に連なっている。   The second fiber reinforced resin molded body 20 is laminated on the inner peripheral surface of the fastened protrusion 14 of the first fiber reinforced resin molded body 10, and the bottom of the fastened protrusion 14 is integrally formed. It extends until it reaches the inner peripheral surface of the through hole 13a, and is also laminated on the inner peripheral surface of the through hole 13a. That is, as shown in FIG. 2, the portion of the second fiber reinforced resin molded body 20 that is laminated on the main body plate portion 11 is laminated on the inner peripheral surface of the fastened protrusion 14 of the first fiber reinforced resin molded body 10. It has the bulging part 21 bulged as described above. The outer peripheral surface of the bulging portion 21 is joined to the inner peripheral surface of the fastened protruding portion 14. A rib 23 is formed inside the bulging portion 21. The rib 23 extends in a direction intersecting the longitudinal direction of the bulging portion 21, and both end portions are connected to the inner surface of the bulging portion 21.

第2繊維強化樹脂成形体20における延出板部13に積層されている部分は、第1繊維強化樹脂成形体10の貫通孔13aの内周面に積層されるように形成された外側筒状部22を有している。外側筒状部22の外周面が第1繊維強化樹脂成形体10の貫通孔13aの内周面に接合されている。   The part laminated | stacked on the extension board part 13 in the 2nd fiber reinforced resin molded object 20 is the outer cylinder shape formed so that it might be laminated | stacked on the internal peripheral surface of the through-hole 13a of the 1st fiber reinforced resin molded object 10. A portion 22 is provided. The outer peripheral surface of the outer cylindrical portion 22 is joined to the inner peripheral surface of the through hole 13 a of the first fiber reinforced resin molded body 10.

外側筒状部22は、貫通孔13aから延出板部13の厚み方向に突出している。外側筒状部22の突出方向は、被締結突出部14の突出方向と反対方向である。第2繊維強化樹脂成形体20における外側筒状部22よりも内周側には、例えばゴム等の弾性材からなるシール材D(図5に示す)が収容される溝部22bが形成されている。溝部22bは、延出板部13の周縁部に沿うように形成された環状溝部である。シール材Dは、溝部22bの全周に亘って連続した環状シール材であり、溝部22bに収容された状態で該溝部22bの内周面に接触するとともに、エンジンや自動変速機の本体Bに接触し、これにより、繊維強化樹脂材1と本体Bとの間をシールすることができるようになっている。また、溝部22bは、外側筒状部22の外側にあってもよい。   The outer cylindrical portion 22 protrudes from the through hole 13a in the thickness direction of the extending plate portion 13. The protruding direction of the outer cylindrical portion 22 is opposite to the protruding direction of the fastened protruding portion 14. On the inner peripheral side of the second fiber reinforced resin molded body 20 with respect to the outer cylindrical portion 22, a groove portion 22b for accommodating a sealing material D (shown in FIG. 5) made of an elastic material such as rubber is formed. . The groove 22 b is an annular groove formed along the peripheral edge of the extension plate 13. The seal material D is an annular seal material that is continuous over the entire circumference of the groove portion 22b, contacts the inner peripheral surface of the groove portion 22b while being accommodated in the groove portion 22b, and is attached to the body B of the engine or automatic transmission. This makes it possible to seal between the fiber reinforced resin material 1 and the main body B. Further, the groove portion 22 b may be outside the outer cylindrical portion 22.

第2繊維強化樹脂成形体20における外側筒状部22よりも外周側の周縁部には、縦板部22aが形成されており、この縦板部22aは、第1繊維強化樹脂成形体10の延出板部13に接合されている。縦板部22aには、外方へ突出するフランジ形状部22cが形成されている。フランジ形状部22cは、延出板部13の周縁部に沿うように環状に形成されている。フランジ形状部22cは、第1繊維強化樹脂成形体10の周縁部に接合されている。   In the second fiber reinforced resin molded body 20, a vertical plate portion 22 a is formed at the outer peripheral side of the outer cylindrical portion 22, and the vertical plate portion 22 a is formed on the first fiber reinforced resin molded body 10. It is joined to the extension plate part 13. A flange-shaped portion 22c that protrudes outward is formed on the vertical plate portion 22a. The flange-shaped portion 22 c is formed in an annular shape so as to follow the peripheral edge portion of the extending plate portion 13. The flange-shaped part 22 c is joined to the peripheral part of the first fiber reinforced resin molded body 10.

外側筒状部22には金属製の筒部材31が挿入されている。筒部材31は、締結部材Cによる締結荷重を受けるための部材である。締結部材Cは、エンジンや自動変速機の本体Bに形成されたネジ孔B1に螺合することによって繊維強化樹脂材1を本体Bに締結する。符号C1はワッシャである。締結部材Cによる締結荷重を受けた筒部材31が座屈しないように、該筒部材31の強度が設定されている。これにより、締結部材Cによる締結時に第1繊維強化樹脂成形体10や第2繊維強化樹脂成形体20が損傷しないようにすることができる。   A metal cylindrical member 31 is inserted into the outer cylindrical portion 22. The cylindrical member 31 is a member for receiving a fastening load by the fastening member C. The fastening member C fastens the fiber reinforced resin material 1 to the main body B by screwing into a screw hole B1 formed in the main body B of the engine or automatic transmission. Reference sign C1 is a washer. The strength of the tubular member 31 is set so that the tubular member 31 that has received the fastening load from the fastening member C does not buckle. Thereby, the 1st fiber reinforced resin molded object 10 and the 2nd fiber reinforced resin molded object 20 can be prevented from being damaged at the time of the fastening by the fastening member C.

図3に示すように、第2繊維強化樹脂成形体20は、第1繊維強化樹脂成形体10のリブ15の内面に沿うように形成されており、第2繊維強化樹脂成形体20は第1繊維強化樹脂成形体10のリブ15の内面に積層された状態で接合されている。第2繊維強化樹脂成形体20には、リブ15の内面に沿うように形成された部分に、リブ24が設けられており、当該部分の変形が抑制されている。   As shown in FIG. 3, the second fiber reinforced resin molded body 20 is formed along the inner surface of the rib 15 of the first fiber reinforced resin molded body 10, and the second fiber reinforced resin molded body 20 is the first fiber reinforced resin molded body 20. The fiber reinforced resin molded body 10 is bonded to the inner surface of the rib 15 in a laminated state. The second fiber reinforced resin molded body 20 is provided with a rib 24 at a portion formed along the inner surface of the rib 15, and deformation of the portion is suppressed.

尚、第1繊維強化樹脂成形体10に凹部を形成した場合には、凹部の内面または外面に沿うように第2繊維強化樹脂成形体20を形成すればよい。この場合、第1繊維強化樹脂成形体10の凹部の内面または外面に第2繊維強化樹脂成形体20を接合する。   In addition, when a recessed part is formed in the 1st fiber reinforced resin molded object 10, the 2nd fiber reinforced resin molded object 20 should just be formed so that the inner surface or outer surface of a recessed part may be met. In this case, the second fiber reinforced resin molded body 20 is joined to the inner surface or the outer surface of the recess of the first fiber reinforced resin molded body 10.

図4に示すように、第2繊維強化樹脂成形体20は、被締結突出部14の内周面に沿うように形成された内側筒状部25を有している。内側筒状部25の外周面が被締結突出部14の内周面に対して全周に亘って接合されている。内側筒状部25には、被締結突出部14を閉塞するように延びる底部25aが一体成形されている。この底部25aを内側筒状部25の端部に一体成形したことにより、繊維強化樹脂材1の内部と外部とが仕切られることになる。   As shown in FIG. 4, the second fiber reinforced resin molded body 20 has an inner cylindrical portion 25 formed along the inner peripheral surface of the fastened protrusion 14. The outer peripheral surface of the inner cylindrical part 25 is joined to the inner peripheral surface of the fastened protrusion 14 over the entire periphery. The inner cylindrical portion 25 is integrally formed with a bottom portion 25a that extends so as to close the fastened protrusion 14. By integrally molding the bottom portion 25a at the end of the inner cylindrical portion 25, the inside and the outside of the fiber reinforced resin material 1 are partitioned.

内側筒状部25には、金属製のナット部材30が圧入されている。ナット部材30には、繊維強化樹脂材1を例えば車体等に締結するための締結部材が螺合するようになっている。   A metal nut member 30 is press-fitted into the inner cylindrical portion 25. A fastening member for fastening the fiber reinforced resin material 1 to, for example, a vehicle body or the like is screwed into the nut member 30.

(繊維強化樹脂材1の製造方法)
次に、繊維強化樹脂材1の製造方法について説明する。図6に示すように、マトリックス樹脂及び強化繊維で構成された第1繊維強化樹脂成形体10を図示しない金型を使用したプレス成形法により得る。図6に示す状態では、第1繊維強化樹脂成形体10に貫通孔13a及び開口部14bが形成されていない。
(Method for producing fiber-reinforced resin material 1)
Next, the manufacturing method of the fiber reinforced resin material 1 is demonstrated. As shown in FIG. 6, a first fiber reinforced resin molded body 10 composed of a matrix resin and reinforcing fibers is obtained by a press molding method using a mold (not shown). In the state shown in FIG. 6, the through hole 13 a and the opening 14 b are not formed in the first fiber reinforced resin molded body 10.

その後、図7に示すように、第1繊維強化樹脂成形体10に貫通孔13a及び開口部14Bを形成する。開口部14Bは、内側筒状部25が形成される前の状態を示している。   Thereafter, as shown in FIG. 7, a through hole 13 a and an opening 14 </ b> B are formed in the first fiber reinforced resin molded body 10. The opening 14B shows a state before the inner cylindrical portion 25 is formed.

次いで、第1繊維強化樹脂成形体10を加熱装置(図示せず)によって加熱するとともに、射出成形用金型(図示せず)にセットして該金型を型締めする。型締め後、第2繊維強化樹脂成形体20の材料を金型内に射出する。第2繊維強化樹脂成形体20の材料に不連続繊維を含ませることができる。   Next, the first fiber reinforced resin molded body 10 is heated by a heating device (not shown), and set in an injection mold (not shown), and the mold is clamped. After the mold clamping, the material of the second fiber reinforced resin molded body 20 is injected into the mold. Discontinuous fibers can be included in the material of the second fiber-reinforced resin molded body 20.

これにより、第2繊維強化樹脂成形体20の材料が第1繊維強化樹脂成形体10に沿うように流動して固化し、膨出部21、外側筒状部22、リブ23、24、内側筒状部25、底部25aが形成されるとともに、第2繊維強化樹脂成形体20が第1繊維強化樹脂成形体10に接合されて一体化し、繊維強化樹脂材1が得られる(図8に示す)。第1繊維強化樹脂成形体10を加熱装置によって予め加熱しているので、第1繊維強化樹脂成形体10と第2繊維強化樹脂成形体20との密着性を高めることができる。   Thereby, the material of the 2nd fiber reinforced resin molding 20 flows and solidifies so that the 1st fiber reinforced resin molding 10 may be followed, and the bulging part 21, the outer cylindrical part 22, rib 23, 24, inner cylinder The shape portion 25 and the bottom portion 25a are formed, and the second fiber reinforced resin molded body 20 is joined and integrated with the first fiber reinforced resin molded body 10 to obtain the fiber reinforced resin material 1 (shown in FIG. 8). . Since the 1st fiber reinforced resin molded object 10 is heated previously with the heating apparatus, the adhesiveness of the 1st fiber reinforced resin molded object 10 and the 2nd fiber reinforced resin molded object 20 can be improved.

(実施形態の作用効果)
以上説明したように、この実施形態によれば、繊維強化樹脂材1を、被締結突出部14の開口部14bに挿入したナット部材30に締結部材を締結することによって例えば車体等に締結することができる。被締結突出部14は第1繊維強化樹脂成形体10に形成されているが、この被締結突出部14の内周面には第2繊維強化樹脂成形体20が積層されて多層構造になっており、第2繊維強化樹脂成形体20により補強されている。しかも、第2繊維強化樹脂成形体20によって被締結突出部14の底部25aが一体に形成されているので、被締結突出部14周りの強度及び剛性が向上する。さらに、被締結突出部14の内周面に積層された第2繊維強化樹脂成形体20は、第1繊維強化樹脂成形体10の貫通孔13aの内周面に達するまで延びていて、この貫通孔13aの内周面にも積層されているので、第1繊維強化樹脂成形体10の広い範囲に第2繊維強化樹脂成形体20が積層されることになるとともに、第1繊維強化樹脂成形体10と第2繊維強化樹脂成形体20とを強固に一体化することができる。これにより、被締結突出部14周りの強度及び剛性がより一層向上させることができる。
(Effect of embodiment)
As described above, according to this embodiment, the fiber reinforced resin material 1 is fastened to, for example, a vehicle body by fastening the fastening member to the nut member 30 inserted into the opening 14b of the fastened protrusion 14. Can do. The fastened protrusion 14 is formed on the first fiber reinforced resin molded body 10, and the second fiber reinforced resin molded body 20 is laminated on the inner peripheral surface of the fastened protruding part 14 to form a multilayer structure. And is reinforced by the second fiber-reinforced resin molded body 20. And since the bottom part 25a of the to-be-fastened protrusion 14 is integrally formed by the 2nd fiber reinforced resin molding 20, the intensity | strength and rigidity around the to-be-fastened protrusion 14 improve. Further, the second fiber reinforced resin molded body 20 laminated on the inner peripheral surface of the fastened projecting portion 14 extends until reaching the inner peripheral surface of the through hole 13a of the first fiber reinforced resin molded body 10. Since it is also laminated on the inner peripheral surface of the hole 13a, the second fiber reinforced resin molded body 20 is laminated in a wide range of the first fiber reinforced resin molded body 10, and the first fiber reinforced resin molded body. 10 and the second fiber reinforced resin molded body 20 can be firmly integrated. Thereby, the intensity | strength and rigidity around the to-be-fastened protrusion part 14 can be improved further.

また、第2繊維強化樹脂成形体20が第1繊維強化樹脂成形体10のリブ15の内面に沿うように形成されているので、第1繊維強化樹脂成形体10と第2繊維強化樹脂成形体20との接合力を高めることができる。   Further, since the second fiber reinforced resin molded body 20 is formed along the inner surface of the rib 15 of the first fiber reinforced resin molded body 10, the first fiber reinforced resin molded body 10 and the second fiber reinforced resin molded body are formed. The joining force with 20 can be increased.

また、第2繊維強化樹脂成形体20に、弾性材からなるシール材Dが収容される環状の溝部22bを形成したので、シール材Dを位置決めすることができるとともに、第2繊維強化樹脂成形体20の剛性をより一層高めることができる。   Further, since the annular groove 22b in which the sealing material D made of an elastic material is accommodated is formed in the second fiber reinforced resin molded body 20, the sealing material D can be positioned and the second fiber reinforced resin molded body. The rigidity of 20 can be further increased.

(実施形態1の変形例)
図9は実施形態1の変形例1を示すものである。実施形態1の変形例1では、第1繊維強化樹脂成形体10と第2繊維強化樹脂成形体20とが積層された部分に、マトリックス樹脂が強化繊維で強化された第3繊維強化樹脂成形体40が積層されて接合されている。これにより、繊維強化樹脂材1の一部は3層構造となる。第3繊維強化樹脂成形体40は、第1繊維強化樹脂成形体10の被締結突出部14の突出方向先端側から基端側に亘って設けられており、これにより、被締結突出部14の剛性及び強度がより一層向上する。
(Modification of Embodiment 1)
FIG. 9 shows a first modification of the first embodiment. In the first modification of the first embodiment, a third fiber reinforced resin molded body in which a matrix resin is reinforced with reinforced fibers in a portion where the first fiber reinforced resin molded body 10 and the second fiber reinforced resin molded body 20 are laminated. 40 are laminated and joined. Thereby, a part of the fiber reinforced resin material 1 has a three-layer structure. The third fiber reinforced resin molded body 40 is provided from the projecting direction front end side to the base end side of the fastened projecting portion 14 of the first fiber reinforced resin molded body 10. The rigidity and strength are further improved.

例えば、第1繊維強化樹脂成形体10に連続繊維を用いて、第3繊維強化樹脂成形体40に、第1繊維強化樹脂成形体10を例えば20〜50mmカットしたチョップド成形体を複数用いることによって、第1繊維強化樹脂成形体10の被締結突出部14に、第3繊維強化樹脂成形体40を積層させることができる。   For example, by using continuous fibers for the first fiber reinforced resin molded body 10 and using a plurality of chopped molded bodies obtained by cutting the first fiber reinforced resin molded body 10 by 20 to 50 mm, for example, for the third fiber reinforced resin molded body 40. The third fiber reinforced resin molded body 40 can be laminated on the fastened protrusion 14 of the first fiber reinforced resin molded body 10.

図10は実施形態1の変形例2を示すものである。実施形態1の変形例2では、変形例1を基にして、4層構造となるように、第1繊維強化樹脂成形体10に、マトリックス樹脂が強化繊維で強化された第4繊維強化樹脂成形体41が積層されて接合されている。第4繊維強化樹脂成形体41は、第1繊維強化樹脂成形体10の被締結突出部14の突出方向先端側から基端側に亘って設けられており、これにより、被締結突出部14の剛性及び強度がより一層向上する。   FIG. 10 shows a second modification of the first embodiment. In the second modification of the first embodiment, the fourth fiber reinforced resin molding in which the matrix resin is reinforced with the reinforced fibers in the first fiber reinforced resin molded body 10 so as to have a four-layer structure based on the first modification. The body 41 is laminated and joined. The 4th fiber reinforced resin molded object 41 is provided from the protrusion direction front end side of the to-be-fastened protrusion part 14 of the 1st fiber reinforced resin molded object 10 to the base end side, and, thereby, the to-be-fastened protrusion part 14 The rigidity and strength are further improved.

尚、実施形態1の変形例2と同様に、第4繊維強化樹脂成形体41に、第1繊維強化樹脂成形体10を例えば20〜50mmにカットしたチョップド成形体を複数用いることによって、第1繊維強化樹脂成形体10の被締結突出部14に、第4繊維強化樹脂成形体41を積層させることができる。   As in the second modification of the first embodiment, the first fiber reinforced resin molded body 41 is made of a plurality of chopped molded bodies obtained by cutting the first fiber reinforced resin molded body 10 into, for example, 20 to 50 mm. The fourth fiber reinforced resin molded body 41 can be laminated on the fastened protrusion 14 of the fiber reinforced resin molded body 10.

図11は実施形態1の変形例3を示すものである。実施形態1の変形例3では、第2繊維強化樹脂成形体20は、第1繊維強化樹脂成形体10における貫通孔13aの周縁部を覆うように形成されている。すなわち、第2繊維強化樹脂成形体20には、貫通孔13aの周縁部を覆う被覆部22dが、外側筒状部22の端部に一体成形されている。これにより、第1繊維強化樹脂成形体10と第2繊維強化樹脂成形体20との接合力を高めることができる。   FIG. 11 shows a third modification of the first embodiment. In the modification 3 of Embodiment 1, the 2nd fiber reinforced resin molded object 20 is formed so that the peripheral part of the through-hole 13a in the 1st fiber reinforced resin molded object 10 may be covered. That is, in the second fiber reinforced resin molded body 20, a covering portion 22 d that covers the peripheral edge of the through hole 13 a is integrally formed at the end of the outer cylindrical portion 22. Thereby, the joining force of the 1st fiber reinforced resin molding 10 and the 2nd fiber reinforced resin molding 20 can be raised.

図12及び図13は実施形態1の変形例4を示すものである。実施形態1の変形例4では、図12に示すように、膨出部21の内部に設けられるリブ26が膨出部21の内面に沿って延びており、また図13に示すように、リブ15の内面に沿うように形成された部分に設けられるリブ27が、当該部分の内面に沿って延びている。   12 and 13 show a fourth modification of the first embodiment. In the modification 4 of Embodiment 1, as shown in FIG. 12, the rib 26 provided in the inside of the bulging part 21 is extended along the inner surface of the bulging part 21, and as shown in FIG. The rib 27 provided in the part formed along the inner surface of 15 extends along the inner surface of the part.

(実施形態2)
図14〜図16は、本発明の実施形態2に係るものである。実施形態2では、中空状の被締結突出部16が、実施形態1の被締結突出部14とは反対方向に突出している点で実施形態1と異なっており、他の部分は実施形態1と同じであるため、以下、実施形態1と同じ部分には実施形態1と同じ符号を付して説明を省略し、異なる部分について詳細に説明する。被締結突出部16は、本発明の被締結突出部であり、本発明の被締結突出部の突出方向はどの方向であってもよい。
(Embodiment 2)
14 to 16 relate to Embodiment 2 of the present invention. The second embodiment is different from the first embodiment in that the hollow fastened projection 16 projects in the opposite direction to the fastened projection 14 of the first embodiment, and other parts are the same as those of the first embodiment. Since they are the same, the same parts as those of the first embodiment are denoted by the same reference numerals as those of the first embodiment, the description thereof is omitted, and different parts will be described in detail. The fastened protrusion 16 is a fastened protrusion of the present invention, and the protruding direction of the fastened protrusion of the present invention may be any direction.

本体板部11には、被締結突出部16が周壁部12の突出方向と同方向となるように設けられている。被締結突出部16には、繊維強化樹脂材1を例えば車体等に締結するための締結部材(図示せず)が挿入される開口部16bが形成されている。第2繊維強化樹脂成形体20の内側筒状部25は、被締結突出部16の内周面に沿うように形成されており、内側筒状部25の外周面が被締結突出部16の内周面に対して全周に亘って接合されている。この実施形態2のものも実施形態1と同様な作用効果を奏することができる。図15では、内側筒状部25が形成される前の開口部を開口部16Bとして示している。   The main body plate portion 11 is provided with a fastened protruding portion 16 in the same direction as the protruding direction of the peripheral wall portion 12. The fastening protrusion 16 is formed with an opening 16b into which a fastening member (not shown) for fastening the fiber reinforced resin material 1 to, for example, a vehicle body is inserted. The inner cylindrical portion 25 of the second fiber reinforced resin molded body 20 is formed along the inner peripheral surface of the fastened protruding portion 16, and the outer peripheral surface of the inner cylindrical portion 25 is the inner side of the fastened protruding portion 16. It is joined to the circumferential surface over the entire circumference. The thing of this Embodiment 2 can also have the same operation effect as Embodiment 1. In FIG. 15, the opening part before the inner cylindrical part 25 is formed is shown as the opening part 16B.

(実施形態3)
図17は、本発明の実施形態3に係るものである。実施形態3では、被締結突出部14の開口部14bの開口方向が実施形態1と異なっており、他の部分は実施形態1と同じであるため、以下、実施形態1と同じ部分には実施形態1と同じ符号を付して説明を省略し、異なる部分について詳細に説明する。
(Embodiment 3)
FIG. 17 relates to Embodiment 3 of the present invention. In the third embodiment, the opening direction of the opening 14b of the fastened protrusion 14 is different from that in the first embodiment, and the other parts are the same as those in the first embodiment. The same reference numerals as those in the first embodiment are attached and the description thereof is omitted, and different portions will be described in detail.

被締結突出部14の開口部14bは、本体板部11の延びる方向に向けて開口しており、貫通孔13aの開口方向と直交する関係となっている。貫通孔13aの締結方向は、延出板部13の厚み方向(図の上下方向)であるのに対し、被締結突出部14に挿入する締結部材(図示せず)による締結方向は、図の左右方向となる。この実施形態3のものも実施形態1と同様な作用効果を奏することができる。   The opening part 14b of the to-be-fastened protrusion part 14 is opened toward the extending direction of the main body plate part 11, and is in a relation orthogonal to the opening direction of the through hole 13a. The fastening direction of the through hole 13a is the thickness direction (vertical direction in the figure) of the extending plate portion 13, whereas the fastening direction by a fastening member (not shown) inserted into the fastening protrusion 14 is Left and right direction. The thing of this Embodiment 3 can also have the same operation effect as Embodiment 1.

上述の実施形態はあらゆる点で単なる例示に過ぎず、限定的に解釈してはならない。さらに、特許請求の範囲の均等範囲に属する変形や変更は、全て本発明の範囲内のものである。   The above-described embodiment is merely an example in all respects and should not be interpreted in a limited manner. Further, all modifications and changes belonging to the equivalent scope of the claims are within the scope of the present invention.

以上説明したように、本発明に係る繊維強化樹脂材は、例えば自動車用部品として用いることができる。   As described above, the fiber-reinforced resin material according to the present invention can be used, for example, as an automotive part.

1 繊維強化樹脂材
10 第1繊維強化樹脂成形体
13a 貫通孔
14 被締結突出部
14b 開口部
15 リブ(凸部)
20 第2繊維強化樹脂成形体
22 外側筒状部
22b 溝部
22c フランジ形状部
25 内側筒状部
25a 底部
40 第3繊維強化樹脂成形体
D シール材
DESCRIPTION OF SYMBOLS 1 Fiber reinforced resin material 10 1st fiber reinforced resin molding 13a Through-hole 14 Fastening protrusion part 14b Opening part 15 Rib (convex part)
20 2nd fiber reinforced resin molding 22 Outer cylindrical part 22b Groove part 22c Flange shape part 25 Inner cylindrical part 25a Bottom part 40 Third fiber reinforced resin molding D Sealing material

Claims (7)

マトリックス樹脂が強化繊維で強化された第1繊維強化樹脂成形体(10)と、マトリックス樹脂が強化繊維で強化された第2繊維強化樹脂成形体(20)とが積層された部分を有する繊維強化樹脂材(1)において、
上記第1繊維強化樹脂成形体(10)には、上記繊維強化樹脂材(1)を締結する締結部材が挿入される開口部(14b)を有する中空状の被締結突出部(14)と、該被締結突出部(14)から離れた部分を貫通する貫通孔(13a)とが形成され、
上記第2繊維強化樹脂成形体(20)は、上記被締結突出部(14)の内周面に積層され、上記被締結突出部(14)の底部(25a)を一体に形成するとともに、上記貫通孔(13a)の内周面に達するまで延び、該貫通孔(13a)の内周面にも積層されていることを特徴とする繊維強化樹脂材(1)。
Fiber reinforcement having a portion in which a first fiber reinforced resin molded body (10) in which a matrix resin is reinforced with reinforced fibers and a second fiber reinforced resin molded body (20) in which a matrix resin is reinforced with reinforced fibers are laminated. In the resin material (1),
In the first fiber reinforced resin molded body (10), a hollow fastening protrusion (14) having an opening (14b) into which a fastening member for fastening the fiber reinforced resin material (1) is inserted, and A through hole (13a) penetrating a portion away from the fastened protrusion (14) is formed,
The second fiber reinforced resin molded body (20) is laminated on the inner peripheral surface of the fastened protrusion (14), and integrally forms the bottom (25a) of the fastened protrusion (14). A fiber reinforced resin material (1) characterized in that it extends until it reaches the inner peripheral surface of the through hole (13a) and is also laminated on the inner peripheral surface of the through hole (13a).
請求項1に記載の繊維強化樹脂材(1)において、
上記第1繊維強化樹脂成形体(10)は、凹部及び凸部(15)の少なくとも一方を有し、
上記第2繊維強化樹脂成形体(20)は、上記第1繊維強化樹脂成形体(10)の上記凹部及び凸部(15)の少なくとも一方に沿うように形成されていることを特徴とする繊維強化樹脂材(1)。
In the fiber reinforced resin material (1) according to claim 1,
The first fiber-reinforced resin molded body (10) has at least one of a concave portion and a convex portion (15),
The said 2nd fiber reinforced resin molded object (20) is formed so that at least one of the said recessed part and convex part (15) of the said 1st fiber reinforced resin molded object (10) may be formed. Reinforced resin material (1).
請求項1または2に記載の繊維強化樹脂材(1)において、
上記第2繊維強化樹脂成形体(20)には、弾性材からなるシール材(D)が収容される環状の溝部(22b)が形成されていることを特徴とする繊維強化樹脂材(1)。
In the fiber reinforced resin material (1) according to claim 1 or 2,
The second fiber reinforced resin molded body (20) is formed with an annular groove (22b) in which a sealing material (D) made of an elastic material is accommodated, and the fiber reinforced resin material (1) .
請求項1から3のいずれか1つに記載の繊維強化樹脂材(1)において、
上記第1繊維強化樹脂成形体(10)と上記第2繊維強化樹脂成形体(20)とが積層された部分には、マトリックス樹脂が強化繊維で強化された第3繊維強化樹脂成形体(40)が積層されていることを特徴とする繊維強化樹脂材。
In the fiber reinforced resin material (1) according to any one of claims 1 to 3,
In a portion where the first fiber reinforced resin molded body (10) and the second fiber reinforced resin molded body (20) are laminated, a third fiber reinforced resin molded body (40) in which a matrix resin is reinforced with reinforced fibers. ) Is laminated, a fiber reinforced resin material.
請求項1から4のいずれか1つに記載の繊維強化樹脂材において、
上記第1繊維強化樹脂成形体(10)には、上記被締結突出部(14)の外周面から上記貫通孔(13a)の周縁部へ向けて延びるリブ(15)が形成されていることを特徴とする繊維強化樹脂材(1)。
In the fiber reinforced resin material according to any one of claims 1 to 4,
The first fiber reinforced resin molded body (10) is formed with a rib (15) extending from the outer peripheral surface of the fastened protrusion (14) toward the peripheral edge of the through hole (13a). Characteristic fiber-reinforced resin material (1).
請求項1から5のいずれか1つに記載の繊維強化樹脂材(1)において、
上記第2繊維強化樹脂成形体(20)は、上記第1繊維強化樹脂成形体(10)における上記貫通孔(13a)の周縁部を覆うように形成されていることを特徴とする繊維強化樹脂材(1)。
In the fiber reinforced resin material (1) according to any one of claims 1 to 5,
The second fiber reinforced resin molded body (20) is formed so as to cover a peripheral edge portion of the through hole (13a) in the first fiber reinforced resin molded body (10). Material (1).
請求項1から6いずれか1つに記載の繊維強化樹脂材(1)において、
上記第2繊維強化樹脂成形体(20)の周縁部には、フランジ形状部(22c)が形成されていることを特徴とする繊維強化樹脂材(1)。
In the fiber reinforced resin material (1) according to any one of claims 1 to 6,
A fiber-reinforced resin material (1), wherein a flange-shaped portion (22c) is formed at a peripheral edge portion of the second fiber-reinforced resin molded body (20).
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KR102383553B1 (en) * 2020-10-27 2022-04-07 주식회사 서연이화 Inner panel manufacturing method for automobile tail gate

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JP2008173876A (en) * 2006-12-20 2008-07-31 Daikyo Nishikawa Kk Resin molding panel
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JP2010253697A (en) * 2009-04-21 2010-11-11 Toyota Industries Corp Fiber-reinforced composite material and fastening structure of same

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