Nothing Special   »   [go: up one dir, main page]

JP7194892B2 - tubular shaped body - Google Patents

tubular shaped body Download PDF

Info

Publication number
JP7194892B2
JP7194892B2 JP2018166766A JP2018166766A JP7194892B2 JP 7194892 B2 JP7194892 B2 JP 7194892B2 JP 2018166766 A JP2018166766 A JP 2018166766A JP 2018166766 A JP2018166766 A JP 2018166766A JP 7194892 B2 JP7194892 B2 JP 7194892B2
Authority
JP
Japan
Prior art keywords
hinge
mounting flange
flange
plate portion
tubular molded
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2018166766A
Other languages
Japanese (ja)
Other versions
JP2020041548A (en
Inventor
奈央人 谷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kyoraku Co Ltd
Original Assignee
Kyoraku Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kyoraku Co Ltd filed Critical Kyoraku Co Ltd
Priority to JP2018166766A priority Critical patent/JP7194892B2/en
Priority to EP19840089.7A priority patent/EP3828454B1/en
Priority to PCT/JP2019/029335 priority patent/WO2020022466A1/en
Priority to CN201980038107.6A priority patent/CN112292554B/en
Priority to US17/260,350 priority patent/US12031644B2/en
Priority to KR1020217005931A priority patent/KR102729772B1/en
Publication of JP2020041548A publication Critical patent/JP2020041548A/en
Application granted granted Critical
Publication of JP7194892B2 publication Critical patent/JP7194892B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Supports For Pipes And Cables (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Duct Arrangements (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Description

本発明は、管状成形体に関する。 The present invention relates to a tubular shaped body.

従来から、ブロー成形により形成されるダクト等であり、他の部材に取付けて固定する為の取付穴を備える取付フランジが設けられる管状成形体が開示される。特許文献1には、発泡樹脂材料によりブロー成形された発泡成形体とされる管状成形体において、管状成形体のパーティングラインに形成された取付フランジが開示される。 2. Description of the Related Art Conventionally, tubular molded bodies such as ducts formed by blow molding and provided with mounting flanges having mounting holes for mounting and fixing to other members are disclosed. Patent Literature 1 discloses a mounting flange formed on a parting line of a tubular molded body, which is a foam molded body that is blow-molded from a foamed resin material.

特開2013-63639号公報JP 2013-63639 A

取付フランジは、上記の通り、通常は管状成形体のパーティングラインに形成される。管状成形体のブロー成形におけるバリの一部を利用して取付フランジを形成するのが効率的だからである。しかしながら、管状成形体の取付フランジは、その相手部材の形状や設置条件によって、パーティングラインを含むパーティング面と平行な取付フランジでは設置できない場合もある。このような場合は、後付け部品としての取付フランジを溶着等で管状成形体に組み付ける等が必要となり、製品が複雑化し、生産に係るコストや時間も増大することとなる場合がある。 Mounting flanges are typically formed at the parting line of the tubular form, as described above. This is because it is efficient to form the mounting flange using part of the burrs in the blow molding of the tubular molded body. However, depending on the shape of the mating member and installation conditions, it may not be possible to install the mounting flange of the tubular molded body with a mounting flange that is parallel to the parting surface including the parting line. In such a case, it is necessary to assemble the mounting flange as a retrofitted part to the tubular molded body by welding or the like, which may complicate the product and increase the cost and time required for production.

本発明は、相手部材への取付の条件を緩和して相手部材に取り付け易くした管状成形体を提供することを目的とする。 SUMMARY OF THE INVENTION An object of the present invention is to provide a tubular molded body that is easy to attach to a mating member by relaxing the conditions for attachment to the mating member.

本発明の管状成形体は、筒状に形成される管本体と、薄肉に形成されるヒンジ部を備えて前記管本体からフランジ状に突出して形成され、前記ヒンジ部により回動可能に形成される取付フランジと、を有することを特徴とする。 The tubular molded body of the present invention includes a tubular main body and a thin hinge portion, and is formed so as to protrude from the tubular main body in a flange shape, and is rotatable by the hinge portion. and a mounting flange.

本発明によれば、相手部材への取付の条件を緩和して相手部材に取り付け易くした管状成形体を提供することができる。 ADVANTAGE OF THE INVENTION According to this invention, the conditions of attachment to a mating member can be eased, and the tubular molded object which was easy to attach to a mating member can be provided.

本発明の実施形態に係る管状成形体を示す斜視図である。1 is a perspective view showing a tubular molded body according to an embodiment of the present invention; FIG. 本発明の実施形態に係る管状成形体の取付フランジ周辺を図1のA方向から見た拡大斜視図である。Fig. 2 is an enlarged perspective view of the periphery of the mounting flange of the tubular molded body according to the embodiment of the present invention, viewed from direction A in Fig. 1; 本発明の実施形態に係る管状成形体の取付フランジ周辺を図1のB方向から見た拡大斜視図である。FIG. 2 is an enlarged perspective view of the periphery of the mounting flange of the tubular molded body according to the embodiment of the present invention, viewed from direction B in FIG. 1; 本発明の実施形態に係る管状成形体の取付フランジ周辺を図1のC方向(取付フランジの下方側)から見た拡大斜視図である。Fig. 2 is an enlarged perspective view of the periphery of the mounting flange of the tubular molded body according to the embodiment of the present invention, viewed from direction C (below the mounting flange) in Fig. 1; 本発明の実施形態に係る管状成形体の図1のD-D断面を示す拡大断面図であり、(a)は取付フランジ本体の回動前の状態を示し、(b)は取付フランジを回動して管本体に当接させた状態を示す。FIG. 2 is an enlarged cross-sectional view showing the DD cross section of FIG. 1 of the tubular molded body according to the embodiment of the present invention, where (a) shows the state before the mounting flange main body is rotated, and (b) shows the mounting flange being rotated; It shows a state in which it is moved to abut on the pipe body. 本発明の実施形態に係る管状成形体の変形例を示す平面模式図であり、(a)は変形例1を示し、(b)は変形例2を示す。It is a plane schematic diagram which shows the modification of the tubular molded object which concerns on embodiment of this invention, (a) shows the modification 1, (b) shows the modification 2. FIG.

次に、本発明の実施形態を図に基づいて説明する。図1に示す本実施形態に係る管状成形体10は、空調機器等に用いられるダクトである。管状成形体10は、発泡剤を混合させた熱可塑性混合樹脂をブロー成形して、独立気泡構造を備えて形成される。この熱可塑性樹脂としては、ポリエチレン樹脂、ポリプロピレン樹脂等のポリオレフィン系樹脂が挙げられる。ポリオレフィン系樹脂は、柔軟性に優れるので、管状成形体10の耐衝撃性が向上する。これらの中でも、熱可塑性樹脂は、プロピレン単位を有するものであることが好ましく、具体的には、プロピレン単独重合体、エチレン-プロピレンブロック共重合体、エチレン-プロピレンランダム共重合体等が挙げられる。さらに、これらの中でも、長鎖分岐構造を有するプロピレン単独重合体であることが特に好ましい。この場合、溶融張力が高くなるので、発泡しやすくなり、気泡セルもより均一化される。 Next, an embodiment of the present invention will be described based on the drawings. A tubular molded body 10 according to the present embodiment shown in FIG. 1 is a duct used for an air conditioner or the like. The tubular molded body 10 is formed to have a closed cell structure by blow molding a thermoplastic mixed resin mixed with a foaming agent. Examples of the thermoplastic resin include polyolefin resins such as polyethylene resin and polypropylene resin. Since the polyolefin resin is excellent in flexibility, the impact resistance of the tubular molded body 10 is improved. Among these, the thermoplastic resin preferably has a propylene unit, and specific examples include propylene homopolymers, ethylene-propylene block copolymers, ethylene-propylene random copolymers, and the like. Furthermore, among these, a propylene homopolymer having a long-chain branched structure is particularly preferable. In this case, since the melt tension is increased, foaming is facilitated, and the bubble cells are made more uniform.

上記熱可塑性樹脂は、ブロー成形される前に、発泡剤を用いて発泡される。かかる発泡剤としては、空気、炭酸ガス、窒素ガス、水等の無機系発泡剤、又は、ブタン、ペンタン、ヘキサン、ジクロロメタン、ジクロロエタン等の有機系発泡剤が挙げられる。 これらの中でも、発泡剤は、空気、炭酸ガス又は窒素ガスを用いることが好ましい。この場合、有体物の混入が防げるので、耐久性等の低下が抑制される。 The thermoplastic resin is foamed with a foaming agent before being blow molded. Such foaming agents include inorganic foaming agents such as air, carbon dioxide gas, nitrogen gas and water, and organic foaming agents such as butane, pentane, hexane, dichloromethane and dichloroethane. Among these, air, carbon dioxide gas, or nitrogen gas is preferably used as the foaming agent. In this case, tangible matter can be prevented from being mixed in, so deterioration of durability and the like can be suppressed.

管状成形体10の管本体11は、外形をコ字状に形成される筒体とされる。管本体11の両端部は開口されて、フランジ12が形成される。管本体11の長い直線部分には、取付フランジ100が形成される。取付フランジ100は、管状成形体10の取付に際して相手部材に固定される部位である。取付フランジ100は、管本体11からフランジ状(換言すれば板状)に突出して形成される。 A pipe main body 11 of the tubular molded body 10 is a cylindrical body having a U-shaped outer shape. Both ends of the pipe body 11 are opened to form flanges 12 . A mounting flange 100 is formed on the long straight portion of the pipe body 11 . The mounting flange 100 is a portion that is fixed to a mating member when the tubular molded body 10 is mounted. The mounting flange 100 is formed to protrude from the pipe body 11 in a flange shape (in other words, a plate shape).

取付フランジ100は、図2~図5に示すように、固定フランジ110と取付フランジ本体部120とを備える。固定フランジ110は、長尺板状に管本体11から突出して形成される。取付フランジ本体部120は、長矩形板が屈曲して折り曲げ状となるよう形成される。具体的には、図5(a)に示すように、基端部で短く立ち上がる第1板部121と、第1板部121と略90度の角度で接続する第2板部122と、第2板部122と図5(a)の上方に向けて略60度の角度で接続する第3板部123と、先端を下方に向けて第3板部123と直角に接続する第4板部124と、第4板部124を貫通する取付穴125と、を備える。取付フランジ本体部120は、第1板部121~第4板部124に亘って等幅に形成される。取付フランジ本体部120は、固定フランジ110とヒンジ部130を介して接続される。ヒンジ部130は、固定フランジ110の長手方向に沿って薄肉に形成される。例えば、ヒンジ部130の厚みは、0.1mm程度に形成される。取付フランジ100の取付フランジ本体部120は、ヒンジ部130により、手動で容易に回動可能とされる。つまり、ヒンジ部130は、手動で回動可能な程度に薄肉に形成される。 The mounting flange 100 includes a fixed flange 110 and a mounting flange body portion 120, as shown in FIGS. The fixed flange 110 is formed in a long plate-like shape so as to protrude from the pipe main body 11 . The attachment flange body portion 120 is formed such that a long rectangular plate is bent into a bent shape. Specifically, as shown in FIG. 5(a), a first plate portion 121 that rises short at the proximal end portion, a second plate portion 122 that is connected to the first plate portion 121 at an angle of approximately 90 degrees, a second plate portion 122 that A third plate portion 123 connected to the second plate portion 122 upward in FIG. 5A at an angle of approximately 60 degrees, and a fourth plate portion connected at right angles to the third plate portion 123 with the tip directed downward. 124 and a mounting hole 125 passing through the fourth plate portion 124 . The mounting flange body portion 120 is formed to have the same width from the first plate portion 121 to the fourth plate portion 124 . The mounting flange body portion 120 is connected to the fixed flange 110 via the hinge portion 130 . The hinge part 130 is formed thin along the longitudinal direction of the fixed flange 110 . For example, the thickness of the hinge portion 130 is formed to be approximately 0.1 mm. The mounting flange body portion 120 of the mounting flange 100 can be easily rotated manually by the hinge portion 130 . That is, the hinge portion 130 is formed thin enough to be manually rotatable.

また、図2~図4に示すように、ヒンジ部130の両端部近傍には、山型状に突出するヒンジ保護部140が形成される。ここでは、取付フランジ100が突出する方向に向かって左側のヒンジ保護部140を左ヒンジ保護部141とし、右側のヒンジ保護部140を右ヒンジ保護部142とする。左ヒンジ保護部141及び右ヒンジ保護部142の各上面141a,142aは、共に固定フランジ110の上面110aと連続した平坦面として形成される。また、左ヒンジ保護部141及び右ヒンジ保護部142の各下面141b,142bは、基部では固定フランジ110の下面110bと連続するが、先端部141c,142cに向かって傾斜面又はR面取り状の円弧面とされる。そして、固定フランジ110の下面110bの前縁部は、ヒンジ部130に向けて落ち込むように形成されて、固定フランジ110の前縁部と、ヒンジ保護部140(左ヒンジ保護部141、右ヒンジ保護部142)の対向面と、取付フランジ本体部120の第1板部121の下面とで凹部111が形成される。ヒンジ保護部140の先端部141c、142cは、ヒンジ部130よりも取付フランジ100の突出方向側に形成される。従って、ヒンジ保護部140の先端部141c、142cからヒンジ部130に亘って、管本体11側に落ち込む段状に形成される。 Further, as shown in FIGS. 2 to 4, near both ends of the hinge portion 130, hinge protection portions 140 are formed to protrude in a mountain shape. Here, the left hinge protection portion 140 is referred to as a left hinge protection portion 141 and the right hinge protection portion 140 is referred to as a right hinge protection portion 142 in the direction in which the mounting flange 100 protrudes. The upper surfaces 141a and 142a of the left hinge protection portion 141 and the right hinge protection portion 142 are both formed as flat surfaces that are continuous with the upper surface 110a of the fixed flange 110 . Further, the bottom surfaces 141b and 142b of the left hinge protection portion 141 and the right hinge protection portion 142 are continuous with the bottom surface 110b of the fixed flange 110 at the base, but are sloped or rounded arcuate toward the tip portions 141c and 142c. considered to be a face. The front edge of the lower surface 110b of the fixing flange 110 is formed to be lowered toward the hinge part 130, and the front edge of the fixing flange 110 and the hinge protection part 140 (left hinge protection part 141, right hinge protection part 140) 142 ) and the lower surface of the first plate portion 121 of the mounting flange body portion 120 form a recess 111 . Tip portions 141 c and 142 c of hinge protection portion 140 are formed on the projecting direction side of mounting flange 100 relative to hinge portion 130 . Therefore, it is formed in a stepped shape extending from the distal end portions 141c and 142c of the hinge protection portion 140 to the hinge portion 130 and falling toward the pipe main body 11 side.

ヒンジ保護部140と取付フランジ100との間には、側板部150が設けられる。詳細には、左ヒンジ保護部141と、取付フランジ本体部120の第1板部121(第1板部121と第2板部122との接続部分含む)との間には、左側板部151が設けられる。同様に、右ヒンジ保護部142と、取付フランジ本体部120の第1板部121(第1板部121と第2板部122との接続部分含む)との間には、右側板部152が設けられる。そして、側板部150(左側板部151、右側板部152)は、ヒンジ部130の両端から取付フランジ100の突出方向側に延びる薄肉に形成される。例えば、側板部150(左側板部151、右側板部152)の厚みは、0.5mm程度とされる。側板部150は、取付フランジ本体部120よりも十分に薄い板厚であり、ヒンジ部130よりも厚い板厚とされる。 A side plate portion 150 is provided between the hinge protection portion 140 and the mounting flange 100 . Specifically, a left side plate portion 151 is provided between the left hinge protection portion 141 and the first plate portion 121 (including the connection portion between the first plate portion 121 and the second plate portion 122) of the mounting flange body portion 120. is provided. Similarly, a right side plate portion 152 is provided between the right hinge protection portion 142 and the first plate portion 121 (including the connection portion between the first plate portion 121 and the second plate portion 122) of the mounting flange body portion 120. be provided. The side plate portions 150 (the left side plate portion 151 and the right side plate portion 152 ) are formed thin so as to extend from both ends of the hinge portion 130 in the projecting direction of the mounting flange 100 . For example, the thickness of the side plate portion 150 (the left side plate portion 151 and the right side plate portion 152) is about 0.5 mm. The side plate portion 150 is sufficiently thinner than the mounting flange body portion 120 and thicker than the hinge portion 130 .

このように形成される取付フランジ100を備える管状成形体10は、図5(b)に示す通り、ヒンジ部130により取付フランジ100の取付フランジ本体部120を管本体11に当接するまで回動可能とされる。取付フランジ本体部120の回動の際、ヒンジ保護部140と取付フランジ100との間に設けられる側板部150(左側板部151、右側板部152)は破かれる。取付フランジ100と管本体11との当接は、第2板部122の上面と、取付フランジ100に近い管本体11の垂直平坦面11bとが当接し、第3板部123の上面と、管本体11の略上面側の傾斜平坦面11aとが当接する。そして、第2板部122と垂直平坦面11b及び第3板部123と傾斜平坦面11aは、それぞれ超音波溶着等による溶着部127a,127bで強固に溶着され接続される。すると、取付フランジ100の取付穴125が管本体11の上方に配置される。 The tubular molded body 10 having the mounting flange 100 formed in this manner can be rotated by the hinge portion 130 until the mounting flange body portion 120 of the mounting flange 100 abuts against the pipe body 11, as shown in FIG. 5(b). It is said that When the mounting flange body 120 rotates, the side plate 150 (left side plate 151, right side plate 152) provided between the hinge protection portion 140 and the mounting flange 100 is torn. The contact between the mounting flange 100 and the pipe body 11 is such that the upper surface of the second plate portion 122 and the vertical flat surface 11b of the pipe body 11 near the mounting flange 100 are in contact, and the upper surface of the third plate portion 123 and the pipe body 11 are in contact. The inclined flat surface 11a on the substantially upper surface side of the main body 11 abuts thereon. The second plate portion 122 and the vertical flat surface 11b, and the third plate portion 123 and the inclined flat surface 11a are firmly welded and connected by welding portions 127a and 127b, respectively, by ultrasonic welding or the like. Then, the mounting hole 125 of the mounting flange 100 is arranged above the pipe body 11 .

このようにして、パーティングラインPLに沿う位置以外の管本体11の上部に相手部材との取り付けのための取付穴125を配置することができる。そして、取付フランジ100の取付フランジ本体部120を折り曲げ状に形成することにより、第2板部122と垂直平坦面11b及び第3板部123と傾斜平坦面11aのように、平坦面同士を当接させることができ、従って回動させた取付フランジ100を管本体11に容易に溶着して固定することができる。 In this way, the attachment hole 125 for attachment to the mating member can be arranged on the upper portion of the pipe body 11 other than the position along the parting line PL. By forming the mounting flange body portion 120 of the mounting flange 100 in a bent shape, the flat surfaces are in contact with each other, such as the second plate portion 122 and the vertical flat surface 11b and the third plate portion 123 and the inclined flat surface 11a. Therefore, the pivoted mounting flange 100 can be easily welded and fixed to the pipe body 11 .

ここで、管状成形体10がブロー成形される際における取付フランジ100周辺のパーティングラインPLは、図2~図4の二点鎖線に示す通り、ヒンジ保護部140や取付フランジ本体部120の側面に形成される。管状成形体10の成形においては、管状成形体10よりも大きく形成したパリソンを金型で挟んでブロー成形するため、パーティングラインPLに沿って、管状成形体10よりも外側に大きなバリが形成される。従って、製品としての管状成形体10とするため、バリを除去する必要がある。バリの除去は、カッター等の工具を用いてカットしたり、手で引きちぎったりして行われる。バリの除去の作業効率を考えると、手で引きちぎる方が良い場合もある。このとき、管本体11から取付フランジ本体部120に亘るバリを除去した場合であっても、ヒンジ保護部140により、バリの除去と共にヒンジ部130を引きちぎってしまうことが低減される。 Here, the parting line PL around the mounting flange 100 when the tubular molded body 10 is blow-molded is, as shown by the two-dot chain lines in FIGS. formed in In molding the tubular molded body 10, a parison formed larger than the tubular molded body 10 is sandwiched between molds and blow-molded, so large burrs are formed outside the tubular molded body 10 along the parting line PL. be done. Therefore, it is necessary to remove burrs in order to obtain the tubular molded body 10 as a product. Burrs are removed by cutting with a tool such as a cutter or tearing off by hand. Considering the work efficiency of removing burrs, it may be better to tear off by hand. At this time, even if the burr extending from the pipe main body 11 to the mounting flange main body portion 120 is removed, the hinge protection portion 140 reduces the burr removal and tearing off of the hinge portion 130 .

例えば、ヒンジ保護部140が無い場合には、パーティングラインPLとヒンジ部130がほぼ直線状に接続されることになるので、管状成形体10とバリとの間をPLに沿ってカットする際に薄肉に形成されるヒンジ部130を裂いてしまうことがある。回動性を考慮してヒンジ部130をより薄肉に形成すると、ヒンジ部130を裂いてしまう可能性がより高まる。しかしながら、ヒンジ保護部140により、PLとヒンジ部130が側板部150を介して迂回しながら接続される(直接接続されることが無い)ので、管状成形体10とバリとの間をPLに沿ってカットする際にヒンジ部130を損傷してしまう可能性が低減される。更に、ヒンジ保護部140と取付フランジ100との間に設けられる側板部150により、バリの引きちぎりによる除去により取付フランジ本体部120がヒンジ部130を裂く方向の力を受けたとしても、側板部150を介してヒンジ保護部140により取付フランジ本体部120を支持するので、ヒンジ部130が損傷する可能性を低減することができる。ここで、本実施形態においては、ヒンジ部130の厚さを0.1mm程度として、側板部150の厚さを0.5mmとしたように、側板部150の厚さをヒンジ部130の厚さよりも厚く形成すると好ましい。側板部150の厚さがヒンジ部130の厚さよりも厚くすることにより、上記するパーティングラインPLに沿ったバリの引きちぎりの際におけるヒンジ部130の損傷防止とヒンジ部130の回動性向上とをバランス良く実現することができる。 For example, if there is no hinge protection part 140, the parting line PL and the hinge part 130 are connected in a substantially straight line. The thin hinge portion 130 may be torn. If the hinge portion 130 is formed thinner in consideration of rotatability, the possibility of tearing the hinge portion 130 increases. However, since the hinge protection portion 140 connects the PL and the hinge portion 130 while detouring through the side plate portion 150 (there is no direct connection), there is no direct connection between the tubular molded body 10 and the burr along the PL. The possibility of damaging the hinge portion 130 when cutting is reduced. Furthermore, the side plate portion 150 provided between the hinge protection portion 140 and the mounting flange 100 ensures that even if the mounting flange body portion 120 is subjected to a force in the direction of tearing the hinge portion 130 due to removal by tearing off the burr, the side plate portion Since the mounting flange body portion 120 is supported by the hinge protection portion 140 via 150, the possibility of damage to the hinge portion 130 can be reduced. Here, in the present embodiment, the thickness of the hinge portion 130 is about 0.1 mm, and the thickness of the side plate portion 150 is about 0.5 mm. It is preferable to form it thickly. By making the thickness of the side plate portion 150 thicker than the thickness of the hinge portion 130, damage to the hinge portion 130 is prevented and rotatability of the hinge portion 130 is improved when the burr is torn off along the parting line PL. can be realized in a well-balanced manner.

(変形例1)
本実施形態の変形例(変形例1)を図6(a)に示す。本変形例においては、管状成形体10Aは、前述の実施形態における山型のヒンジ保護部140に代えて、管本体11と直線状に連続する先端部141Ac,142Acを備えるヒンジ保護部140A(左ヒンジ保護部141A、右ヒンジ保護部142A)とした。管状成形体10Aにおいても、ヒンジ保護部140Aの先端部141Ac,142Acは、ヒンジ部130よりも取付フランジ100の突出方向側に形成される。
(Modification 1)
FIG. 6A shows a modified example (modified example 1) of this embodiment. In this modification, the tubular molded body 10A has a hinge protection portion 140A (left side) provided with distal end portions 141Ac and 142Ac that are linearly continuous with the tube main body 11 instead of the mountain-shaped hinge protection portion 140 in the above-described embodiment. A hinge protection portion 141A and a right hinge protection portion 142A). Also in the tubular molded body 10A, the distal end portions 141Ac and 142Ac of the hinge protection portion 140A are formed on the projecting direction side of the mounting flange 100 relative to the hinge portion 130. As shown in FIG.

(変形例2)
本実施形態の他の変形例(変形例2)を図6(b)に示す。本変形例においては、左右に設けられるヒンジ保護部140,140Aに換えて、片側に設けられるヒンジ保護部140B(右ヒンジ保護部142B)を備える管状成形体10Bである。本変形例では、管本体11に対してヒンジ部130が傾斜して形成される。このように、ヒンジ保護部140B(右ヒンジ保護部142B)の先端部142Bcは、ヒンジ部130の一部よりも取付フランジ100の突出方向側に形成されていてもよい。ただしこの場合、PLに沿ったバリの引きちぎりは、ヒンジ保護部140B(右ヒンジ保護部142B)が設けられる側から引きちぎる必要がある。また、側板部150は、右側のみに形成される(右側板部152)。
(Modification 2)
Another modification (modification 2) of this embodiment is shown in FIG. In this modification, a tubular molded body 10B is provided with a hinge protection portion 140B (right hinge protection portion 142B) provided on one side instead of the hinge protection portions 140 and 140A provided on the left and right sides. In this modification, the hinge portion 130 is formed to be inclined with respect to the pipe body 11 . In this way, the distal end portion 142Bc of the hinge protection portion 140B (right hinge protection portion 142B) may be formed on the projecting direction side of the mounting flange 100 with respect to a part of the hinge portion 130 . However, in this case, it is necessary to tear off the burr along the PL from the side where the hinge protection portion 140B (right hinge protection portion 142B) is provided. Also, the side plate portion 150 is formed only on the right side (right side plate portion 152).

以上、本発明の実施形態を説明したが、本発明は本実施形態により限定されることは無く、種々変更を加えて実施することができる。例えば、本実施形態においては、取付フランジ100をヒンジ部130により回動して直接管本体11(傾斜平坦面11a、垂直平坦面11b)に当接させたが、管本体11からボス等を突出させる、又は、ボス状等の別部材を管本体11に取付けて、該ボスと取付フランジ100を当接するよう形成しても良い。 Although the embodiments of the present invention have been described above, the present invention is not limited to the embodiments and can be implemented with various modifications. For example, in the present embodiment, the mounting flange 100 is rotated by the hinge portion 130 to directly contact the pipe body 11 (inclined flat surface 11a, vertical flat surface 11b). Alternatively, another member such as a boss may be attached to the pipe body 11 so that the boss and the attachment flange 100 are in contact with each other.

10 管状成形体 11 管本体
11a 傾斜平坦面 11b 垂直平坦面
12 フランジ 100 取付フランジ
110 固定フランジ 110a 上面
110b 下面 111 凹部
120 取付フランジ本体部 121 第1板部
122 第2板部 123 第3板部
124 第4板部 125 取付穴
127a 溶着部 127b 溶着部
130 ヒンジ部 135 凹状部
140 ヒンジ保護部
141 左ヒンジ保護部 141a 上面
141b 下面 141c 先端部
142 右ヒンジ保護部 142a 上面
142b 下面 142c 先端部
150 側板部 151 左側板部
152 右側板部
REFERENCE SIGNS LIST 10 Tubular formed body 11 Pipe main body 11a Inclined flat surface 11b Vertical flat surface 12 Flange 100 Mounting flange 110 Fixed flange 110a Upper surface 110b Lower surface 111 Recess 120 Mounting flange body 121 First plate 122 Second plate 123 Third plate 124 Fourth plate portion 125 Mounting hole 127a Welding portion 127b Welding portion 130 Hinge portion 135 Concave portion 140 Hinge protection portion 141 Left hinge protection portion 141a Upper surface 141b Lower surface 141c Tip portion 142 Right hinge protection portion 142a Upper surface 142b Lower surface 142c Tip portion 150 Side plate portion 151 Left side plate portion 152 Right side plate portion

Claims (4)

筒状に形成される管本体と、
薄肉に形成されるヒンジ部を備えて前記管本体からフランジ状に突出して形成され、前記ヒンジ部により回動可能に形成される取付フランジと、
を有し、
前記ヒンジ部の端部近傍の前記管本体上にヒンジ保護部が形成され、該ヒンジ保護部の先端部は前記ヒンジ部よりも前記取付フランジの突出方向側に形成される、
ことを特徴とする管状成形体。
a pipe body formed in a cylindrical shape;
a mounting flange provided with a thin-walled hinge portion, protruding from the pipe body in a flange shape, and rotatable by the hinge portion;
has
A hinge protection portion is formed on the pipe body in the vicinity of an end of the hinge portion, and a tip portion of the hinge protection portion is formed on the projecting direction side of the mounting flange from the hinge portion,
A tubular molded body characterized by:
前記ヒンジ保護部と前記取付フランジとの間には、前記ヒンジ部の端部から前記取付フランジの突出方向側に延びる薄肉の側板部が形成されることを特徴とする請求項に記載の管状成形体。 2. The tubular structure according to claim 1 , wherein a thin side plate portion is formed between the hinge protection portion and the mounting flange to extend from an end portion of the hinge portion in a projecting direction side of the mounting flange. molding. 前記取付フランジは、前記管本体から突出して形成される固定フランジと、前記固定フランジから前記ヒンジ部を介して接続する取付フランジ本体部と、を有することを特徴とする請求項1又は請求項2に記載の管状成形体。 3. The mounting flange has a fixed flange protruding from the pipe body, and a mounting flange main body portion connected from the fixed flange through the hinge portion. The tubular molded article according to . 前記取付フランジ本体部は、折り曲げ状に形成されることを特徴とする請求項に記載の管状成形体。 4. The tubular molded body according to claim 3 , wherein the mounting flange body portion is formed in a bent shape.
JP2018166766A 2018-07-26 2018-09-06 tubular shaped body Active JP7194892B2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2018166766A JP7194892B2 (en) 2018-09-06 2018-09-06 tubular shaped body
EP19840089.7A EP3828454B1 (en) 2018-07-26 2019-07-26 Tubular formed body
PCT/JP2019/029335 WO2020022466A1 (en) 2018-07-26 2019-07-26 Tubular formed body, and storage structure
CN201980038107.6A CN112292554B (en) 2018-07-26 2019-07-26 Tubular molded body and storage structure
US17/260,350 US12031644B2 (en) 2018-07-26 2019-07-26 Tubular formed body, and storage structure
KR1020217005931A KR102729772B1 (en) 2018-07-26 2019-07-26 Tubular molding and retention structures

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018166766A JP7194892B2 (en) 2018-09-06 2018-09-06 tubular shaped body

Publications (2)

Publication Number Publication Date
JP2020041548A JP2020041548A (en) 2020-03-19
JP7194892B2 true JP7194892B2 (en) 2022-12-23

Family

ID=69799216

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018166766A Active JP7194892B2 (en) 2018-07-26 2018-09-06 tubular shaped body

Country Status (1)

Country Link
JP (1) JP7194892B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7502605B2 (en) * 2020-03-30 2024-06-19 キョーラク株式会社 Molded Structure
CN118142379B (en) * 2024-05-11 2024-07-12 山西四达酒类饮料有限责任公司 Material transfer box for brewing yellow rice wine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001041122A (en) 1999-07-26 2001-02-13 Inoac Corp Air intake duct
JP2006273277A (en) 2005-03-30 2006-10-12 Toyoda Gosei Co Ltd Duct structure and manufacturing method thereof
JP2016155500A (en) 2015-02-25 2016-09-01 ダイハツ工業株式会社 Reinforcement structure
US20170232657A1 (en) 2016-02-15 2017-08-17 Mann+Hummel Gmbh Pinch-formed blow molded bracket off the parting line

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5795909U (en) * 1980-12-05 1982-06-12
JPS60157825A (en) * 1984-01-28 1985-08-19 Kyoraku Co Ltd Hinged blow formed item
JPS6018335A (en) * 1984-06-21 1985-01-30 Nippon Plast Co Ltd Manufacture of hollow molded body having fixing bracket
JPS61111717U (en) * 1984-12-26 1986-07-15
JPS63165117A (en) * 1986-08-28 1988-07-08 Kyoraku Co Ltd Manufacture of hinged hollow-molded item
JPH0575470U (en) * 1992-03-18 1993-10-15 トヨタ車体株式会社 Air duct

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001041122A (en) 1999-07-26 2001-02-13 Inoac Corp Air intake duct
JP2006273277A (en) 2005-03-30 2006-10-12 Toyoda Gosei Co Ltd Duct structure and manufacturing method thereof
JP2016155500A (en) 2015-02-25 2016-09-01 ダイハツ工業株式会社 Reinforcement structure
US20170232657A1 (en) 2016-02-15 2017-08-17 Mann+Hummel Gmbh Pinch-formed blow molded bracket off the parting line

Also Published As

Publication number Publication date
JP2020041548A (en) 2020-03-19

Similar Documents

Publication Publication Date Title
JP7194892B2 (en) tubular shaped body
JP5897556B2 (en) Acoustic baffle device and method using the same
JP2005057967A (en) Harness protector
JP3840897B2 (en) Automotive interior parts with airbag cover
JP2008164001A (en) Protective cover and its manufacturing method
JP4814519B2 (en) Polypropylene resin foam molding
JP5280219B2 (en) Spoiler
JP2009119992A (en) Mounting structure of sound insulator
WO2020022466A1 (en) Tubular formed body, and storage structure
JP5165268B2 (en) Method for producing hollow molded body and hollow molded body
JP5448319B2 (en) Hollow body with deburring structure
JP5975620B2 (en) Shock absorber
JP2009202555A (en) Method for manufacturing vehicular protector and vehicular protector
JP2009202554A (en) Method for manufacturing vehicular protector and vehicular protector
JP6202603B2 (en) Air conditioning duct
JP2013107606A (en) Mounting part, mounting part of bumper cover and assembling structure of bumper cover
JP2009227261A (en) Protector for vehicle
JP2023061503A (en) Duct, engagement structure for duct, and method of manufacturing duct
JP2008044458A (en) Fender protector
JP4541163B2 (en) Interior parts for vehicles with airbag doors
JP6212834B2 (en) Tubular foamed molded product and method for producing the same
JP2007131061A (en) Vehicular air guide
JP4837480B2 (en) Half pipe
JP5510984B2 (en) Spoiler and manufacturing method thereof
JP2005231438A (en) Mounting structure of resin molding for vehicle

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20210630

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20220630

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220810

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20221110

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20221123

R150 Certificate of patent or registration of utility model

Ref document number: 7194892

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150