JP2001165352A - Pipe holder for absorbing vibration - Google Patents
Pipe holder for absorbing vibrationInfo
- Publication number
- JP2001165352A JP2001165352A JP34601699A JP34601699A JP2001165352A JP 2001165352 A JP2001165352 A JP 2001165352A JP 34601699 A JP34601699 A JP 34601699A JP 34601699 A JP34601699 A JP 34601699A JP 2001165352 A JP2001165352 A JP 2001165352A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- holder
- vibration
- hardness
- pipes
- 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.)
- Withdrawn
Links
Landscapes
- Supports For Pipes And Cables (AREA)
- Vibration Prevention Devices (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は、車輌、船、建設機械
等、各種機械装置用であって、特に自動車用の燃料配
管、ブレーキ配管、クラッチ配管、ケーブル配管等、比
較的細径の配管類を車体のアンダーフロアパネル、前面
パネル等に配設・固定し、燃料の流通やエンジンの回転
により生じる配管の振動や、路面から伝播される振動を
吸収して、騒音等の不具合を防止するための、配管の振
動吸収用保持具に係るものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used for various mechanical devices such as vehicles, ships, construction machines, etc., and in particular, relatively small-diameter pipes such as fuel pipes, brake pipes, clutch pipes and cable pipes for automobiles. Are installed and fixed on the underfloor panel, front panel, etc. of the vehicle body, and absorb the vibration of the piping caused by the fuel circulation and the rotation of the engine, and the vibration transmitted from the road surface to prevent problems such as noise. And a vibration absorbing holder for piping.
【0002】[0002]
【従来の技術】従来、車輌、船、建設機械等、各種機械
装置、特に自動車の車体等に設置・固定する燃料配管や
ブレーキ配管、クラッチ配管、ケーブル配管等に於い
て、燃料の流通やエンジンの回転、路面からの振動伝播
等により、各配管に生じる振動や騒音を防止するため、
特開平11−132363号公報記載の発明、特開平1
1−108250号公報記載の発明、特開平11−23
0414号公報記載の発明の如き保持具が存在する。こ
れらの保持具は、前記配管の挟持性に優れた硬質樹脂
と、配管の振動吸収性に優れた軟質樹脂とを組み合わせ
て形成したものである。また、特開平11−13942
号公報記載の発明の如く、弾性変形可能な連結アームで
配管を挟持する事により、振動を吸収可能としたものも
存在する。また、自動車用ではないが、建築物の給排水
管や空調装置の配管の振動を吸収するものとして、金属
等の硬質材と発泡体等の軟質材とを組み合わせた素材で
配管を被覆する、特許第2851836号公報記載の発
明も存在する。2. Description of the Related Art Conventionally, fuel distribution, engine and fuel piping, such as fuel piping, brake piping, clutch piping, cable piping, etc., installed and fixed on various mechanical devices such as vehicles, ships, construction machines and the like, especially on the body of automobiles, etc. In order to prevent vibration and noise generated in each pipe due to the rotation of
The invention described in JP-A-11-132363,
Invention described in JP-A-11-108250, JP-A-11-23
There is a holder as disclosed in Japanese Patent No. 0414. These holders are formed by combining a hard resin excellent in sandwiching property of the pipe and a soft resin excellent in vibration absorbing property of the pipe. Also, JP-A-11-13942
As described in Japanese Patent Application Laid-Open Publication No. H10-205, there is an apparatus in which vibration can be absorbed by sandwiching a pipe with an elastically deformable connecting arm. Also, it is not for automobiles, but it is a patent that covers piping with a material that combines a hard material such as metal and a soft material such as foam as a material that absorbs vibration of plumbing pipes of buildings and air conditioning equipment piping. There is also an invention described in Japanese Patent No. 2851836.
【0003】[0003]
【発明が解決しようとする課題】しかしながら、上述の
如き従来の保持具は、硬質材製及び軟質材製の二種類の
部材を使用するため、二度成形を行ったり、組み立て作
業を行う必要があり、保持具の製造に時間や工程を必要
としていた。また、各配管との接触部に硬質材を使用し
ているため、接触音を生じたり、隣接する配管相互間
や、連結先への振動伝達防止効果が低いものであった。However, since the conventional holder as described above uses two types of members made of a hard material and a soft material, it is necessary to perform molding and assembling work twice. Yes, it took time and steps to manufacture the holder. In addition, since a hard material is used in a contact portion with each pipe, a contact noise is generated, and an effect of preventing vibration transmission between adjacent pipes or a connection destination is low.
【0004】また、ゴムなどの軟弾性材で形成した保持
具も存在する。このような保持具は、その弾性力によ
り、振動を良好に吸収・減衰可能であるとともに、成形
工程が容易である。しかしながら、配管の挟持力が低
く、強い振動等を受けると、保持具からの配管の脱落や
位置ズレを生じ易いものとなっていた。[0004] There is also a holder made of a soft elastic material such as rubber. Such a holder can favorably absorb and attenuate vibrations due to its elastic force, and the molding process is easy. However, when the clamping force of the pipe is low and strong vibrations or the like are received, the pipe is likely to fall off the holder or to be misaligned.
【0005】本発明は上述の如き課題を解決しようとす
るものであって、車輌、船、建設機械等、各種機械装
置、特に自動車に於いて、燃料配管、ブレーキ配管、ク
ラッチ配管、ケーブル配管、その他の各種配管に対する
防音・防振効果と、配管の挟持性に優れた保持具を得よ
うとするものである。そして、燃料の流通やエンジンの
回転、路面からの振動伝播による配管の振動を良好に吸
収・減衰して、配管への悪影響や騒音の発生を防止する
ものである。更に、配管の連結先や保持具にて共に挟持
している他の配管への振動の伝達、及びこれらの連結先
や他の配管からの当該配管への振動の伝達を防止可能と
するものである。そして、このような防音・防振効果
と、配管の挟持性に優れた保持具を、簡易な製造工程で
形成可能な素材を得ようとするものである。The present invention has been made to solve the above-mentioned problems, and is intended to solve various problems such as a vehicle, a ship, a construction machine, etc., and particularly to a vehicle, such as a fuel pipe, a brake pipe, a clutch pipe, a cable pipe, and the like. An object of the present invention is to obtain a holder having excellent soundproofing and vibration-proofing effects for various other pipes and excellent pinching properties of the pipes. Then, the vibration of the pipe due to the flow of the fuel, the rotation of the engine, and the propagation of the vibration from the road surface is satisfactorily absorbed and attenuated, thereby preventing adverse effects on the pipe and generation of noise. Furthermore, it is possible to prevent the transmission of vibration to other pipes that are held together by pipe connection destinations and holding devices, and the transmission of vibration to these pipes from these connection destinations and other pipes. is there. Then, it is intended to obtain a material capable of forming such a holder having excellent soundproofing / vibrationproofing effects and excellent pipe clamping properties in a simple manufacturing process.
【0006】[0006]
【課題を解決するための手段】本発明は上述の如き課題
を解決するため、基盤部の表面に複数の固定突部を突出
形成し、この固定突部間に、配管を装着する配管凹部を
設けて固定本体を形成したものに於いて、固定本体を、
硬度D45〜55のポリエチレン樹脂、硬度A65〜8
5のエチレン−αオレフィン共重合体、及び発泡剤を混
合して形成し、その混合割合を、ポリエチレン樹脂1に
対して、エチレン−αオレフィン共重合体を0.5〜
1.5、発泡剤を0.04〜0.12として成るもので
ある。According to the present invention, in order to solve the above-mentioned problems, a plurality of fixed projections are formed on the surface of a base portion, and a pipe recess for mounting a pipe is formed between the fixed projections. In the thing which provided and formed the fixed main body, the fixed main body was
Polyethylene resin with hardness D45-55, hardness A65-8
5, an ethylene-α-olefin copolymer and a foaming agent are mixed to form a mixture.
1.5, with the foaming agent being 0.04-0.12.
【0007】また、固定本体は、硬度D48のポリエチ
レン樹脂、硬度A83のエチレン−αオレフィン共重合
体、発泡剤を混合して形成するものであっても良い。The fixing body may be formed by mixing a polyethylene resin having a hardness of D48, an ethylene-α-olefin copolymer having a hardness of A83, and a foaming agent.
【0008】また、固定本体は、ポリエチレン樹脂、エ
チレン−αオレフィン共重合体、発泡剤の混合割合を、
ポリエチレン樹脂1に対して、エチレン−αオレフィン
共重合体を1、発泡剤を0.08としても良い。[0008] Further, the fixing body is composed of a mixture of polyethylene resin, ethylene-α-olefin copolymer and a foaming agent.
For the polyethylene resin 1, the ethylene-α-olefin copolymer may be 1 and the foaming agent may be 0.08.
【0009】また、固定突部は、配管凹部方向に係合片
を突出し、この係合片を、配管凹部に配管の抜き出し方
向の表面に突き当て係合可能としても良い。Further, the fixing projection may project an engaging piece in a pipe recess direction, and this engaging piece may be able to be engaged with the pipe recess in contact with a surface of the pipe in a drawing direction.
【0010】また、固定本体の基盤部には、隣接する配
管凹部間を、配管凹部と平行にくり抜いて、中空部を設
けても良い。[0010] Further, a hollow portion may be provided in the base portion of the fixed body by hollowing out the space between adjacent pipe concave portions in parallel with the pipe concave portion.
【0011】また、中空部には、中央にリブを設けても
良い。Further, a rib may be provided in the center of the hollow portion.
【0012】[0012]
【作用】本発明は上述の如く構成したものであり、ポリ
エチレン(PE)樹脂、エチレン−αオレフィン共重合体
及び発泡剤を混合して形成する事により、本発明の保持
具は、優れた防音・防振効果を発揮する柔軟性を持ち、
燃料の流通等による配管自身の振動、路面やエンジン等
から伝播される振動に対する吸振性に優れるとともに、
同じ保持具に接続した他の配管への振動の伝播を防ぐも
のとなる。また、この優れた吸振性とともに、本発明の
保持具は、振動により各配管が脱落したり、位置ズレを
生じる事のない、良好な挟持力や剛性も有するものとな
る。The present invention is constructed as described above. By forming a mixture of a polyethylene (PE) resin, an ethylene-α-olefin copolymer and a foaming agent, the holder of the present invention has excellent soundproofing.・ It has the flexibility to exhibit the anti-vibration effect,
It excels in vibration absorption of the pipe itself due to fuel distribution, vibration transmitted from the road surface, engine, etc., and
This prevents vibration from propagating to other pipes connected to the same holder. In addition to the excellent vibration absorbing properties, the holder of the present invention also has good holding force and rigidity without causing each pipe to fall off or being displaced by vibration.
【0013】即ち、PE樹脂を配合する事により、保持
具は配管の挟持性に優れるとともに、低温時の耐衝撃性
や耐薬品性に優れ、軽くて安価な製品となる。その反
面、PE樹脂は耐熱性に劣り、軟化や燃焼が起こり易い
とともに、耐ストレスクラッキング性(裂け)、耐クリー
プ性(ひずみ)等の耐久性にも劣るものである。また、摩
擦抵抗が低いため、配管の回転や移動を生じやすい。[0013] That is, by blending the PE resin, the holder is excellent in pinchability of the pipe, and also excellent in impact resistance and chemical resistance at low temperature, and is a light and inexpensive product. On the other hand, the PE resin is inferior in heat resistance, easily softens and burns, and is inferior in durability such as stress cracking resistance (tear) and creep resistance (strain). In addition, since the frictional resistance is low, rotation and movement of the pipe are likely to occur.
【0014】そのため、このPE樹脂と親和性の良好な
エチレン−αオレフィン共重合体を混合する事により、
耐熱性と柔軟性が向上するので、軟化や燃焼防止効果や
裂け・ひずみ防止効果に優れた耐久性を持つ保持具を形
成する事ができる。更に、形成素材の粘性により、摩擦
係数が高くなるので、配管の外周に保持具が密着し、配
管の回転や移動、保持具からの脱落等を良好に防止可能
となる。また、保持具の成形時に於いて、前記樹脂混合
物を発泡剤にて膨潤させているので、保持具の内部に気
泡が存在する事により、振動の吸収・減衰効果に優れた
特性のまま、適度の硬度を有し、良好な挟持力や剛性を
有する保持具形成素材となる。Therefore, by mixing this PE resin with an ethylene-α-olefin copolymer having good affinity,
Since the heat resistance and flexibility are improved, it is possible to form a durable holder having excellent softening and burning prevention effects and tear / strain prevention effects. Furthermore, since the coefficient of friction increases due to the viscosity of the forming material, the holder is closely attached to the outer periphery of the pipe, and rotation and movement of the pipe, dropping from the holder, and the like can be prevented well. In addition, since the resin mixture is swollen with a foaming agent at the time of molding the holder, the presence of air bubbles inside the holder makes it possible to maintain the characteristics excellent in the effect of absorbing and damping vibrations. And a holder forming material having good clamping force and rigidity.
【0015】また、前記PE樹脂は、ショア硬度D45
〜55とするとともに、エチレン−αオレフィン共重合
体は、JIS硬度A65〜85とするのが好ましい。即
ち、PE樹脂の硬度がD45よりも柔らかいと、配管の
挟持力が低下するので、エンジンの回転や燃料の流通時
の圧力等で配管が振動したり、タイヤから各パネルを通
して路面より伝播された振動により、ブレーキ配管やク
ラッチ配管が振動した場合等に、配管が保持具から脱落
したり、位置ズレを生じ易いものとなる。また、硬度が
D55よりも硬いと、保持具形成素材の柔軟性が低下
し、振動吸収・減衰性に劣るものとなる。The PE resin has a Shore hardness of D45.
, And the ethylene-α-olefin copolymer preferably has a JIS hardness of A65 to 85. That is, when the hardness of the PE resin is softer than D45, the pinching force of the pipe is reduced, so that the pipe vibrates due to the rotation of the engine or the pressure at the time of fuel flow, or is transmitted from the tire from the road surface through each panel. When the brake pipe or the clutch pipe vibrates due to the vibration, the pipe is likely to fall off from the holder or to be easily displaced. On the other hand, if the hardness is higher than D55, the flexibility of the holder-forming material is reduced, resulting in poor vibration absorption / damping properties.
【0016】また、エチレン−αオレフィン共重合体の
硬度がA65よりも柔らかいと、保持具形成素材の柔軟
性が高くなり過ぎて、配管の挟持力が低下する。また、
硬度がA85よりも硬いと、保持具形成素材の柔軟性が
低下し、振動吸収・減衰性に劣るものとなる。If the hardness of the ethylene-α-olefin copolymer is lower than A65, the flexibility of the holder forming material becomes too high, and the holding force of the pipe is reduced. Also,
If the hardness is higher than A85, the flexibility of the holder forming material is reduced, and the vibration absorbing / damping properties are poor.
【0017】そして、上記素材は、望ましくはショア硬
度D48のPE樹脂、JIS硬度A83のエチレン−α
オレフィン共重合体を用いる。The material is preferably a PE resin having a Shore hardness of D48 and ethylene-α having a JIS hardness of A83.
An olefin copolymer is used.
【0018】また、固定本体は、PE樹脂1に対して、
エチレン−αオレフィン共重合体を0.5〜1.5、発
泡剤を0.04〜0.12とした混合割合で形成する。
即ち、PE樹脂1に対して、エチレン−αオレフィン共
重合体の混合割合が0.5よりも少ないと、耐熱性や耐
久性があまり向上しないものとなる。また、エチレン−
αオレフィン共重合体の混合割合が1.5よりも多い
と、保持具が柔らか過ぎて配管の挟持力が低下し、保持
具からの配管の脱落や位置ズレを生じ易くなる。Further, the fixing body is
The ethylene-α-olefin copolymer is formed at a mixing ratio of 0.5 to 1.5 and the foaming agent at 0.04 to 0.12.
That is, when the mixing ratio of the ethylene-α-olefin copolymer to the PE resin 1 is less than 0.5, the heat resistance and durability are not significantly improved. Also, ethylene-
If the mixing ratio of the α-olefin copolymer is more than 1.5, the holding tool is too soft, the holding force of the pipe is reduced, and the pipe is easily dropped from the holding tool or misaligned.
【0019】一方、発泡剤の混合割合は、PE樹脂1に
対して、0.04よりも少ないと、保持具形成素材の気
泡含有量が少なく、各樹脂の膨潤が良好に行われないも
のとなる。そのため、良好な挟持力や剛性を有する硬さ
を得る事ができず、振動の吸収・減衰性も劣るものとな
る。また、発泡剤の混合割合が0.12よりも多いと、
保持具形成素材に気泡が多く含有されるものとなる。そ
のため、過剰硬化となり、吸収・減衰性が劣るものとな
る。On the other hand, if the mixing ratio of the foaming agent is less than 0.04 with respect to the PE resin 1, the foam content of the holder forming material is small, and the swelling of each resin is not performed well. Become. Therefore, it is not possible to obtain a hardness having a good holding force and rigidity, and the vibration absorption / damping properties are also poor. When the mixing ratio of the foaming agent is more than 0.12,
The holder-forming material contains a large amount of air bubbles. As a result, the composition becomes excessively hardened, resulting in poor absorption and attenuation.
【0020】尚、上記素材は、望ましくはPE樹脂1に
対して、エチレン−αオレフィン共重合体を1、発泡剤
を0.08とする混合割合で形成する。The above material is desirably formed at a mixing ratio of 1 ethylene-α-olefin copolymer and 0.08 blowing agent to 1 PE resin.
【0021】また、樹脂膨潤用の発泡剤は、従来公知の
適宜のものを使用できる。例えば、アゾジカルボンアミ
ド(ADCA)、バリウムアゾジカルボキシレート(Ba
/AC)等のアゾ化合物、N,N'-ジニトロソペンタメチレ
ンテトラミン(DPT)等のニトロソ化合物、4,4'-オキ
シビス(OBSH)、ヒドラゾジカルボンアミド(HDC
A)等のヒドラジン誘導体、炭酸水素ナトリウム(NaH
CO3)等の重炭酸塩、その他を使用する事ができる。Further, as the foaming agent for swelling the resin, a conventionally known appropriate one can be used. For example, azodicarbonamide (ADCA), barium azodicarboxylate (Ba)
/ AC), nitroso compounds such as N, N'-dinitrosopentamethylenetetramine (DPT), 4,4'-oxybis (OBSH), hydrazodicarbonamide (HDC
A) and other hydrazine derivatives such as sodium bicarbonate (NaH
Bicarbonates such as CO 3 ) and others can be used.
【0022】上述の如く形成した保持具に、車輌、船、
建設機械等、各種機械装置の配管を装着するが、この配
管とは、例えば自動車の場合は、燃料タンクからエンジ
ンルームへ燃料を供給するフューメルメイン配管、エン
ジンからの余剰燃料を燃料タンクへ戻すフューエルリタ
ーン配管、燃料タンク内の燃料の蒸気をエンジンルーム
内のキャニスターに吸着させるためのエバポ配管、AB
S用のブレーキ配管、クラッチ配管、ケーブル用配管等
が挙げられる。そして、このような配管を保持具に装着
するには、固定本体から突出する固定突部で形成される
配管凹部に臨ませて、配管を配置する。そして、配管を
固定本体方向に押圧するか、場合によっては逆に固定本
体を配管方向に押圧する事により、配管凹部内に配管が
挿入され、この配管と配管凹部とが係合する。この係合
により、保持具への配管の装着が完了する。A vehicle, a ship,
Piping for various machinery and equipment such as construction equipment is installed. For example, in the case of a car, this pipe is a fume main pipe that supplies fuel from the fuel tank to the engine room, and returns excess fuel from the engine to the fuel tank. Fuel return piping, evaporative piping for adsorbing fuel vapor in the fuel tank to the canister in the engine room, AB
S-brake pipes, clutch pipes, cable pipes, and the like are listed. Then, in order to attach such a pipe to the holder, the pipe is arranged so as to face a pipe recess formed by a fixed projection projecting from the fixed body. Then, by pressing the pipe in the direction of the fixed body or, in some cases, by pressing the fixed body in the opposite direction, the pipe is inserted into the pipe recess, and this pipe and the pipe recess engage. By this engagement, the mounting of the pipe to the holder is completed.
【0023】このように、保持具への配管の装着を容易
に行う事ができるとともに、装着作業時に保持具の固定
突部等を大きく変形しても、装着完了後は、その良好な
柔軟性と剛性により形状が復元するので、保持具の不自
然な変形を生じる事のない、配管の良好な装着が可能と
なる。そして、装着後は、前述の如く配管を良好に挟持
可能な適度な硬度や粘性を有するので、保持具からの配
管の脱落や位置ズレ、隣接する配管相互の振動の伝播、
エンジンや路面からの振動の伝播等を防ぐ。また、保持
具は、振動や刺激に対する保持具の変形防止効果にも優
れ、各装置の使用時は配管の安定した装着を持続する事
ができる。As described above, the pipe can be easily mounted on the holder, and even if the fixing projection of the holder is largely deformed during the mounting operation, its good flexibility is achieved after the mounting is completed. Since the shape is restored by the rigidity and the rigidity, it is possible to mount the pipe satisfactorily without causing unnatural deformation of the holder. And, after mounting, since it has appropriate hardness and viscosity that can squeeze the pipes well as described above, the pipes fall off from the holder and displace, and the propagation of vibration between adjacent pipes,
Prevents the propagation of vibration from the engine and road surface. In addition, the holder has an excellent effect of preventing the holder from being deformed by vibration or stimulation, and can maintain stable installation of the pipe when each device is used.
【0024】また、燃料の流通による配管の振動、エン
ジンブロック、ブレーキその他の配管の連絡先から伝播
される振動、隣接する配管から伝播される振動、或いは
タイヤから各パネルを通じて路面等より伝播される振動
は、PE樹脂、エチレン−αオレフィン共重合体及び発
泡剤の混合素材製の吸振性に優れた保持具により、良好
に吸収・減衰される。そのため、配管の機能に悪影響を
及ぼすような振動が配管に生じる事がないし、振動に伴
う騒音の発生も良好に防止可能となる。また、隣接する
配管相互の共振や振動の伝播を防ぐとともに、エンジン
ルーム、ブレーキ、クラッチ、その他の配管の連絡先へ
の振動の伝播も防止できるので、自動車の各装置の機能
を円滑に行う事ができる。また、配管が振動しても、保
持具から容易に脱落したり、位置ズレを生じる事がない
ので、保持具による優れた振動吸収・減衰性を保つ事が
可能となる。In addition, the vibration of the pipe due to the flow of the fuel, the vibration transmitted from the engine block, the brake and other pipe contacts, the vibration transmitted from the adjacent pipe, or the tire transmitted from the road surface through each panel through each panel. Vibration is favorably absorbed and attenuated by a holder made of a mixed material of a PE resin, an ethylene-α-olefin copolymer and a foaming agent and having excellent vibration absorption properties. Therefore, vibration that adversely affects the function of the pipe does not occur in the pipe, and noise caused by the vibration can be prevented well. In addition, it can prevent resonance and vibration propagation between adjacent pipes, and also prevent propagation of vibration to the engine room, brakes, clutches, and other pipe contact points. Can be. In addition, even if the pipe vibrates, it does not easily fall off the holder or displace, so that the holder can maintain excellent vibration absorption and damping properties.
【0025】また、保持具の固定突部は、配管凹部方向
に係合片を突出し、この係合片を配管の抜き出し方向の
表面に突き当て係合可能に形成しても良い。このような
保持具に配管を装着しようとすると、配管は配管凹部に
突出した係合片に突き当たる。しかし、この係合片は配
管の外面に押圧されて、弾性変形し、挿入経路を拡開す
るので、配管凹部への配管の係合を容易に行う事ができ
る。Further, the fixing projection of the holder may be formed so that an engaging piece protrudes in the direction of the concave portion of the pipe, and this engaging piece is brought into contact with the surface of the pipe in the drawing direction so as to be engageable. When the pipe is to be mounted on such a holder, the pipe hits an engagement piece projecting into the pipe recess. However, the engaging piece is pressed against the outer surface of the pipe and elastically deforms to expand the insertion path, so that the pipe can easily be engaged with the concave portion of the pipe.
【0026】そして、配管凹部への配管の係合が完了す
ると、係合片が弾性復元して、先端を配管の抜き出し方
向の表面に突き当て係合するので、配管が配管凹部内に
確実に固定される。そのため、保持具からの配管の脱落
や位置ズレ防止効果が向上するものとなる。When the engagement of the pipe with the pipe recess is completed, the engagement piece is elastically restored, and the tip abuts on and engages with the surface of the pipe in the pull-out direction. Fixed. Therefore, the effect of preventing the pipe from dropping from the holder and the positional deviation is improved.
【0027】また、固定本体の基盤部は、隣接する配管
凹部間を、配管凹部と平行にくり抜いて中空部を設けれ
ば、固定本体及び配管凹部の変形力が高まるものとな
る。従って、保持具への配管の装着時に、固定本体が柔
軟に変形して、配管凹部の内径が拡開するので、配管凹
部への配管の係合を、小さな挿入力で円滑に行う事がで
きる。そして、この係合が完了すると、中空部が弾性復
元して、固定本体の形状が復元するとともに、配管凹部
により配管が安定的に挟持される。また、保持具から配
管を取り外す作業も、固定本体の柔軟な変形力により、
容易に行う事ができる。また、配管凹部の内径よりも配
管の外径が多少大径であっても、この中空部が変形し
て、配管凹部の内径を調整するので、多少の寸法誤差を
吸収する事ができ、良好な装着が可能となる。If the base portion of the fixed body is hollowed out between adjacent pipe recesses in parallel with the pipe recess, the deforming force of the fixed body and the pipe recess is increased. Therefore, when the pipe is mounted on the holder, the fixed body is flexibly deformed and the inner diameter of the pipe recess is expanded, so that the pipe can be smoothly engaged with the pipe recess with a small insertion force. . When this engagement is completed, the hollow portion is elastically restored, the shape of the fixed body is restored, and the pipe is stably clamped by the pipe recess. In addition, the work of removing the pipe from the holder is also performed by the flexible deformation force of the fixed body.
It can be done easily. Further, even if the outer diameter of the pipe is slightly larger than the inner diameter of the pipe recess, this hollow portion is deformed and the inner diameter of the pipe recess is adjusted, so that some dimensional error can be absorbed, Mounting is possible.
【0028】また、上述の如く中空部を設ける事によ
り、固定本体の変形力が大きくなるので、強い振動等を
受けた際に、配管の装着性を損なうような反りや撓みを
保持具に生じる虞れがある。そこで、中空部の中央にリ
ブを設ければ、配管の着脱を容易とする柔軟性を保持し
ながら、固定本体の剛性と形状復元力が高まり、固定本
体の反りや撓みを防止して、配管の保持具への良好な装
着を持続する事ができる。Further, by providing the hollow portion as described above, since the deformation force of the fixed main body is increased, when the strong vibration or the like is received, the retainer is warped or bent so as to impair the fitting property of the pipe. There is a fear. Therefore, if a rib is provided at the center of the hollow portion, the rigidity and the shape restoring force of the fixed main body are increased while maintaining the flexibility for facilitating the attachment and detachment of the pipe, and the fixed main body is prevented from warping or bending. It is possible to maintain good attachment to the holder.
【0029】[0029]
【実施例】以下、本発明を、自動車にて実施した一例を
図面に於て説明すれば、(1)は保持具で、図示はしない
が、自動車のアンダーフロアパネル、前面パネル等に固
定されているものである。そして、この保持具(1)に、
燃料タンクからエンジンルームへ燃料を供給するフュー
エルメイン配管、エンジンからの余剰燃料を燃料タンク
へ戻すフューエルリターン配管、燃料タンク内の燃料の
蒸気をエンジンルーム内のキャニスターに吸着させるた
めのエバポ配管、ABS用のブレーキ配管、クラッチ配
管、ケーブル用配管、その他の配管(2)を複数本装着
し、各配管(2)を前記アンダーフロアパネル、前面パネ
ル等に配設・固定するものである。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an embodiment in which the present invention is applied to an automobile. Is what it is. And this holder (1)
Fuel main pipe for supplying fuel from the fuel tank to the engine room, fuel return pipe for returning surplus fuel from the engine to the fuel tank, evaporative pipe for absorbing fuel vapor in the fuel tank to the canister in the engine room, ABS A plurality of brake pipes, clutch pipes, cable pipes, and other pipes (2) are mounted, and each pipe (2) is disposed and fixed to the underfloor panel, the front panel, and the like.
【0030】また、前記保持具(1)は、図1に示す如
く、固定本体(3)の板状の基盤部(4)の表面に、複数の
固定突部(5)を突出形成する事により、隣接する固定突
部(5)間に、配管(2)を係合する配管凹部(6)を形成し
ている。この配管凹部(6)の内周面は、円弧状に形成す
る事により、配管(2)の外周面に密着可能としている。
また、固定本体(3)には、同一内径の配管凹部(6)を複
数個設けるものであっても良いが、本実施例では、図2
に示す如く、左側から外径8.0mm、6.35mm、6.35mm、6.3
5mm、4.76mm、4.76mmの6本の配管(2)を係合可能に、
内径の異なる配管凹部(6)を各々設けている。As shown in FIG. 1, the holder (1) has a plurality of fixing projections (5) formed on the surface of a plate-like base (4) of the fixing body (3). Thus, a pipe recess (6) for engaging the pipe (2) is formed between the adjacent fixed projections (5). The inner peripheral surface of the pipe recess (6) is formed in an arc shape so as to be able to adhere to the outer peripheral surface of the pipe (2).
Further, the fixed body (3) may be provided with a plurality of pipe recesses (6) having the same inner diameter, but in this embodiment, FIG.
As shown in the figure, the outer diameter is 8.0mm, 6.35mm, 6.35mm, 6.3 from the left side
6 pipes (2) of 5mm, 4.76mm, 4.76mm can be engaged,
Pipe recesses (6) having different inner diameters are provided.
【0031】そして、固定本体(3)は、固定突部(5)の
先端から、配管凹部(6)方向にテーパー状の係合片(7)
を、一本又は二本突出している。そして、この係合片
(7)の先端を、配管凹部(6)に係合した配管(2)の抜き
出し方向の表面に、二方向から突き当て係合可能として
いる。また、固定本体(3)の基盤部(4)には、隣接する
配管凹部(6)間を、配管凹部(6)と平行にくり抜いて、
中空部(8)を設けている。この中空部(8)により、固定
本体(3)は配管凹部(6)の拡開方向及び収縮方向に柔軟
に変形可能としている。また、この中空部(8)の中央
に、図2に示す如く、リブ(10)を設ける事により、中
空部(8)の形状復元性を高めている。その結果、保持具
(1)への配管(2)の装着時、及び装着後の固定本体(3)
の不自然な反りや撓みを防止して、保持具(1)の装着性
と耐久性が高まるものとなる。The fixed main body (3) is provided with an engagement piece (7) tapered from the tip of the fixed projection (5) in the direction of the pipe recess (6).
Are projected one or two. And this engagement piece
The tip of (7) is made to butt and engage with the surface in the withdrawal direction of the pipe (2) engaged with the pipe recess (6) from two directions. In addition, in the base portion (4) of the fixed body (3), a space between the adjacent pipe recesses (6) is hollowed out in parallel with the pipe recess (6).
A hollow portion (8) is provided. The hollow portion (8) allows the fixed body (3) to be flexibly deformable in the expanding and contracting directions of the pipe recess (6). Further, as shown in FIG. 2, a rib (10) is provided at the center of the hollow portion (8) to enhance the shape resilience of the hollow portion (8). As a result, the holder
Fixing body (3) when pipe (2) is mounted on (1) and after mounting
This prevents unnatural warping or bending of the holder (1), and enhances the mountability and durability of the holder (1).
【0032】また、保持具(1)は、上述の如く配管(2)
の脱着を容易とするとともに、使用の際は、振動等の刺
激を受けても、配管(2)が容易に脱落する事のないよう
な挟持性や、反りや歪みのない形状保持性に優れたもの
とする必要がある。更に、配管(2)の振動や雑音を良好
に吸収して減衰可能な吸振性も持つように形成する必要
があるとともに、容易な工程や方法で保持具(1)を製造
しようとするものである。The holder (1) is provided with the pipe (2) as described above.
In addition to facilitating attachment and detachment of the pipe, it is excellent in pinchability such that the pipe (2) does not easily fall off even when stimulated by vibration or the like, and has excellent shape retention without warpage or distortion. Need to be Further, it is necessary to form the holder (1) by an easy process and method, as well as to form the pipe (2) so as to absorb vibration and noise of the pipe well and to have a damping property capable of damping. is there.
【0033】上記条件を満たすため、本実施例では、固
定本体(3)を、硬度D48のPE樹脂、硬度A83のエ
チレン−αオレフィン共重合体及び発泡剤を混合して形
成している。また、各素材の混合割合は、PE樹脂1に
対して、エチレン−αオレフィン共重合体を1、発泡剤
を0.08としている。また、これらの混合素材を用い
て型枠成形し、複数種の部材を組み合わせるものではな
いから、保持具(1)の製造の工数や時間を省き、容易な
製造が可能となる。In order to satisfy the above conditions, in this embodiment, the fixing body (3) is formed by mixing a PE resin having a hardness of D48, an ethylene-α-olefin copolymer having a hardness of A83, and a foaming agent. In addition, the mixing ratio of each material is such that the ethylene-α-olefin copolymer is 1 and the foaming agent is 0.08 with respect to 1 PE resin. In addition, since a mold is formed using these mixed materials and a plurality of types of members are not combined, man-hours and time for manufacturing the holder (1) can be reduced, and easy manufacturing can be achieved.
【0034】そして、上述の如く構成した保持具(1)
に、外径の異なる複数本の配管(2)を装着するには、固
定本体(3)の配管凹部(6)に臨ませて、各々対応する配
管(2)を配置する。次に、固定本体(3)方向に配管(2)
を押圧する事により、配管凹部(6)内に配管(2)が挿入
される。この挿入により、配管凹部(6)内に突出した係
合片(7)が配管(2)の外面に押圧されて、挿入経路の拡
開方向に弾性変形する。また、この挿入経路の拡開は、
配管凹部(6)の両脇に設けた中空部(8)が変形する事に
よっても柔軟に行われる。しかし、中空部(8)にはリブ
(10)を設けているから、配管(2)の脱着作業時に中空
部(8)が大きく変形しても、直ちに元の形状に復元し、
固定本体(3)の反りや撓みを防止する事ができる。Then, the holder (1) configured as described above.
In order to mount a plurality of pipes (2) having different outer diameters, corresponding pipes (2) are arranged facing pipe recesses (6) of the fixed body (3). Next, pipe (2) in the direction of the fixed body (3)
Is pressed, the pipe (2) is inserted into the pipe recess (6). Due to this insertion, the engaging piece (7) protruding into the pipe recess (6) is pressed against the outer surface of the pipe (2), and is elastically deformed in the expanding direction of the insertion path. In addition, expansion of this insertion path
It is also performed flexibly by deforming the hollow portions (8) provided on both sides of the pipe recess (6). However, there is no rib in the hollow part (8).
Since (10) is provided, even if the hollow part (8) is greatly deformed at the time of attaching and detaching the pipe (2), it is immediately restored to the original shape,
It is possible to prevent the fixed main body (3) from warping or bending.
【0035】尚、配管(2)の外径が配管凹部(6)よりも
多少大径であっても、中空部(8)が収縮変形するととも
に、配管凹部(6)の内周面も拡開方向に弾性変形し、配
管凹部(6)の内径を拡開する。従って、多少の寸法誤差
を解消して、容易な係合が可能となる。また、このよう
に寸法誤差を吸収可能なので、配管(2)の外径と多少の
誤差を生じるものであっても良く、保持具(1)の容易な
製造が可能である。Even if the outer diameter of the pipe (2) is slightly larger than that of the pipe recess (6), the hollow part (8) shrinks and deforms and the inner peripheral surface of the pipe recess (6) also expands. It elastically deforms in the opening direction and expands the inner diameter of the pipe recess (6). Therefore, it is possible to eliminate some dimensional errors and to easily engage. In addition, since the dimensional error can be absorbed in this way, a slight error may occur between the outer diameter of the pipe (2) and the holder (1), so that the holder (1) can be easily manufactured.
【0036】また、この係合後は、固定突部(5)が復元
して、配管凹部(6)の内周面が配管(2)の外周に円弧状
に密着して挟持する。更に、係合片(7)が復元して、配
管凹部(6)内の配管(2)の抜き出し方向の表面に突き当
たり、配管(2)を配管凹部(6)内に確実に係合する。そ
して、全ての配管凹部(6)に対応する配管(2)を係合す
る事により、保持具(1)への配管(2)の装着が完了す
る。そして、配管凹部(6)による配管(2)の優れた挟持
力により、保持具(1)の装着安定性が高まり、装着後の
配管(2)の脱落や位置ズレを良好に防止可能となる。After this engagement, the fixed projection (5) is restored, and the inner peripheral surface of the pipe recess (6) is tightly clamped to the outer circumference of the pipe (2) in an arc shape. Further, the engagement piece (7) is restored and comes into contact with the surface of the pipe (2) in the pipe recess (6) in the extraction direction, and the pipe (2) is securely engaged in the pipe recess (6). Then, the fitting of the pipe (2) to the holder (1) is completed by engaging the pipes (2) corresponding to all the pipe recesses (6). And, due to the excellent holding force of the pipe (2) by the pipe recess (6), the mounting stability of the holder (1) is enhanced, and the pipe (2) after mounting can be prevented from falling off and misaligned. .
【0037】そして、燃料の流通やエンジンの回転によ
る振動、タイヤから各パネルを通じて路面より伝播され
る振動、配管(2)の連絡先から伝播される振動等によっ
て、配管(2)が振動すると、PE樹脂、エチレン−αオ
レフィン共重合体及び発泡剤の混合素材製の保持具(1)
が、この振動を良好に吸収するので、配管(2)の振動が
減衰される。そのため、騒音等の発生を良好に防止可能
となるとともに、配管(2)内を燃料、オイル、蒸気等を
流通させる機能や、ブレーキやクラッチ操作等に於ける
配管(2)の機能を妨げる事がない。また、隣接する配管
(2)相互の振動の伝達や、配管(2)の連結先への振動の
伝播を防止する事もでき、これらの機能も損なう事はな
いものとなる。When the pipe (2) vibrates due to vibrations caused by fuel circulation or engine rotation, vibration transmitted from the tire through the panels through the panels, vibration transmitted from the contact of the pipe (2), and the like, Holder made of mixed material of PE resin, ethylene-α-olefin copolymer and foaming agent (1)
However, since this vibration is well absorbed, the vibration of the pipe (2) is attenuated. Therefore, noise and the like can be effectively prevented, and the function of distributing fuel, oil, steam, and the like in the pipe (2), and the function of the pipe (2) for brake and clutch operation, etc. are obstructed. There is no. Also, adjacent piping
(2) Mutual transmission of vibrations and propagation of vibrations to the connection destination of the pipe (2) can be prevented, and these functions are not impaired.
【0038】また、上述の如く形成した保持具(1)に於
いて、配管(2)の挟持性と、振動吸収・減衰性の性能を
検証するため、下記に示す如きパイプの抜け力・挿入力
測定実験及び防振性能実験を行った。また、本実施例の
保持具(1)と同様の形状でPE樹脂100wt%で形成し
た従来の保持具に付いても、同様の2つの実験を行っ
た。更に、比較例として、PE樹脂、エチレン−αオレ
フィン共重合体、発泡剤の混合割合又は硬度を変えて形
成した5種類の保持具、及び硬度の異なる2種類のエラ
ストマー製の保持具に付いても、同様の測定実験を行っ
た。表1に、各保持具(1)の形成素材及びその混合割合
を示す。In order to verify the holding performance of the pipe (2) and the performance of absorbing and damping the pipe (2) in the holding tool (1) formed as described above, the pipe pulling force and insertion as shown below are used. A force measurement experiment and an anti-vibration performance experiment were performed. In addition, two similar experiments were performed on a conventional holder formed of 100 wt% of PE resin in the same shape as the holder (1) of the present embodiment. Further, as comparative examples, about five kinds of holders formed by changing a mixing ratio or hardness of a PE resin, an ethylene-α-olefin copolymer, and a foaming agent, and two kinds of elastomer holders having different hardnesses, A similar measurement experiment was performed. Table 1 shows the forming materials of each holder (1) and the mixing ratio thereof.
【0039】[0039]
【表1】 [Table 1]
【0040】パイプ抜け力・挿入力測定実験 上記各保持具(1)に付いて、パイプ抜け力・挿入力測定
実験を行った。その方法は、固定本体(3)の両端部を適
宜の固定具で固定し、内径6.35mm用の配管凹部(6)の一
つに、配管(2)として外径6.35mm、肉厚0.7mmの二重巻
鋼管製パイプを装着しておく。そして、このパイプを、
垂直方向から引き抜いて、その引き抜き力を測定すると
ともに、再び配管凹部(6)に挿入して、その挿入力を測
定した。このパイプの引き抜き・挿入の際にパイプに掛
かった荷重(ニュートン)を、表2に表した。Experiment for Measuring Pipe Pulling / Inserting Force With respect to each of the holders (1), an experiment for measuring pipe removing / inserting force was performed. The method is as follows. Fix both ends of the fixed body (3) with appropriate fixing tools, and fit the pipe (2) with an outer diameter of 6.35 mm and a wall thickness of 0.7 mm in one of the pipe recesses (6) for 6.35 mm inner diameter. The double-walled steel pipe is attached. And this pipe,
The tube was pulled out from the vertical direction, and its pulling force was measured. The tube was again inserted into the pipe recess (6), and the insertion force was measured. Table 2 shows the load (Newton) applied to the pipe when the pipe was pulled out and inserted.
【0041】[0041]
【表2】 [Table 2]
【0042】防振性能実験 次に、前記表1に示した保持具(1)に対して、防振性能
実験を行った。まず、図4に示す如く、実験対象の保持
具(1)の配管凹部(6)の一つに、振動入力用の外径6.35
mmのパイプ(11)を装着する。また、これに隣接する配
管凹部(6)に、外径6.35mmのパイプ(12)を装着し、保
持具(1)を介してパイプ(11)から伝播してきた振動の
検出用に使用する。残りの4つの配管凹部(6)に、各々
外径4.76、4.76、6.35、8.0mmのパイプ(13)を装着す
る。次に、本実験では入力用のパイプ(11)の一端を、
振動を発生して伝達する振動試験機(16)に接続する。
また、振動検出用のパイプ(12)の両端を、試験治具
(14)に各々固定させる。この振動検出用パイプ(12)
には、加速度センサー(15)を取り付ける事により、入
力用パイプ(11)から、保持具(1)を介して振動検出用
パイプ(12)に伝達される振動の大きさを、加速度とし
て測定する。Next, a vibration isolation performance experiment was performed on the holder (1) shown in Table 1 above. First, as shown in FIG. 4, one of the pipe recesses (6) of the holder (1) to be tested has an outer diameter 6.35 for vibration input.
Attach a pipe (11) of mm. A pipe (12) having an outer diameter of 6.35 mm is mounted in the pipe recess (6) adjacent to the pipe, and is used for detecting vibration transmitted from the pipe (11) via the holder (1). Pipes (13) having outer diameters of 4.76, 4.76, 6.35, and 8.0 mm are attached to the remaining four pipe recesses (6). Next, in this experiment, one end of the input pipe (11) was
It is connected to a vibration tester (16) that generates and transmits vibration.
Attach both ends of the vibration detection pipe (12) to the test jig.
Fix each to (14). This vibration detection pipe (12)
By mounting an acceleration sensor (15), the magnitude of vibration transmitted from the input pipe (11) to the vibration detection pipe (12) via the holder (1) is measured as acceleration. .
【0043】上記装置に於いて、振動試験機(16)から
入力用パイプ(11)に、下記に示す振動を加える。 入力波形 :正弦波(加振方向:上下) 入力振幅 :0.1mmP-P一定 加振周波数:50、75、100、125、150、175Hz 入力加速度:4.9、11.1、19.7、30.8、44.4、60.4m/s2 In the above apparatus, the following vibration is applied from the vibration tester (16) to the input pipe (11). Input waveform: Sine wave (excitation direction: up and down) Input amplitude: 0.1mmP-P constant Excitation frequency: 50, 75, 100, 125, 150, 175Hz Input acceleration: 4.9, 11.1, 19.7, 30.8, 44.4, 60.4m / s 2
【0044】そして、入力用のパイプ(11)から、保持
具(1)を介して振動検出用パイプ(12)に伝達された振
動を、加速度センサー(15)で測定する。その測定結果
を下記表3に、また表3のデータを図5に折れ線グラフ
で示す。Then, the vibration transmitted from the input pipe (11) to the vibration detecting pipe (12) via the holder (1) is measured by the acceleration sensor (15). The measurement results are shown in Table 3 below, and the data in Table 3 is shown in a line graph in FIG.
【0045】[0045]
【表3】 [Table 3]
【0046】上述の表2、表3の結果より、従来例及び
比較例1乃至5の保持具は、抜け力、挿入力が大きいの
で、配管(2)の挟持性に優れている。しかしながら、配
管(2)の着脱時に配管(2)に与える衝撃が大きく、その
衝撃で配管(2)が連結先から分離する虞れがある。ま
た、防振性に劣っているので、配管(2)の振動吸収・減
衰効果は低い。一方、比較例6及び7の保持具は、防振
性に優れているが、パイプの挟持力が低いものであっ
た。特に比較例7は、最も優れた防振性を示したが、パ
イプ抜け力が12Nと低く、配管(2)の組み付け作業は
容易であるが、保持具の脱落や位置ズレを生じ易い欠点
を持つため、実際の使用には適さない可能性が高い。From the results of Tables 2 and 3 above, the holders of the conventional example and the comparative examples 1 to 5 are excellent in the pinchability of the pipe (2) since the holding force and the insertion force are large. However, a large impact is exerted on the pipe (2) when the pipe (2) is attached or detached, and the impact may cause the pipe (2) to be separated from the connection destination. In addition, since the anti-vibration property is inferior, the effect of absorbing and damping vibration of the pipe (2) is low. On the other hand, the holders of Comparative Examples 6 and 7 were excellent in vibration isolation, but had low holding force of the pipe. In particular, Comparative Example 7 showed the best vibration damping property, but the pipe pull-out force was as low as 12N, and the assembling work of the pipe (2) was easy. It is likely that it will not be suitable for actual use.
【0047】これに対して、実施例1の保持具(1)は、
パイプの抜け力・挿入力が適度な値を示したから、配管
(2)の着脱も容易に行う事ができるとともに、配管(2)
の挟持性に優れ、保持具(1)からの配管(2)の脱落や位
置ズレを良好に防止可能となる。更に、防振性能にも優
れているので、保持具(1)による配管(2)の振動の吸収
・減衰を良好に行う事が可能となる。そして、この優れ
た振動吸収・減衰性により、配管(2)の振動の増幅及び
隣接する配管(2)や連結先への振動の伝播を防止し、騒
音の発生や装置の機能低下を良好に防止するものとな
る。また、配管(2)の連結先からの脈動も保持具(1)が
吸収・減衰して、配管(2)への悪影響を防止する事がで
きる。或いは、アンダーフロアパネルや前面パネル等か
ら保持具(1)に伝播された振動も、保持具(1)自身で吸
収・減衰するので、保持具(1)に装着した配管(2)に前
記振動があまり伝播する事がなく、騒音等の発生を良好
に防止する事ができる。On the other hand, the holder (1) of the first embodiment is
Since the pulling force and insertion force of the pipe showed appropriate values,
(2) can be easily attached and detached, and piping (2)
It is possible to prevent the pipe (2) from falling off from the holder (1) and to prevent misalignment. Further, since the vibration-proof performance is excellent, it is possible to favorably absorb and attenuate the vibration of the pipe (2) by the holder (1). And, due to the excellent vibration absorption and damping properties, the amplification of the vibration of the pipe (2) and the propagation of the vibration to the adjacent pipe (2) and the connection destination are prevented, so that the generation of noise and the deterioration of the function of the apparatus can be reduced. Will prevent it. Also, the pulsation from the connecting end of the pipe (2) is absorbed and attenuated by the holder (1), so that it is possible to prevent the pipe (2) from being adversely affected. Alternatively, since the vibration transmitted from the underfloor panel or the front panel to the holder (1) is absorbed and attenuated by the holder (1) itself, the vibration is applied to the pipe (2) attached to the holder (1). Is not propagated so much, and the generation of noise and the like can be prevented well.
【0048】また、前記実施例1の保持具(1)は、固定
本体(3)の中空部(8)にリブ(10)を設けて形成してい
るが、リブ(10)を設けずに固定本体(3)を形成する事
もできる。次の実験では、リブ(10)を設けた第1実施
例の保持具(1)と、リブ(10)を設けずに形成した他の
異なる第2実施例の保持具(1)に付いて、パイプ抜け力
・挿入力測定実験及び防振性能実験を行った。Further, the holder (1) of the first embodiment is formed by providing the rib (10) in the hollow portion (8) of the fixed body (3), but without the rib (10). A fixed body (3) can also be formed. In the next experiment, the holder (1) of the first embodiment provided with the rib (10) and the holder (1) of another different second embodiment formed without the rib (10) are described. , Pipe removal force / insertion force measurement experiment and vibration isolation performance experiment.
【0049】パイプ抜け力・挿入力測定実験 各実施例の保持具(1)に於いて、6個の配管凹部(6)
に、それぞれパイプa(外径8.0mm)、パイプb、c、d
(外径6.35mm)、パイプe、f(外径4.76mm)の6本のパイ
プを装着する。そして、6本のパイプを一本ずつ垂直方
向に抜き出すとともに、挿入を行い、各々の操作に必要
とした荷重を計測した。その測定結果を、表4に示す。Experiment for measuring pipe pull-out force / insertion force In the holder (1) of each embodiment, six pipe recesses (6)
And pipes a (outside diameter 8.0 mm), pipes b, c, d
(Outer diameter 6.35mm) and pipes e and f (outer diameter 4.76mm) are attached. Then, six pipes were withdrawn one by one in the vertical direction and inserted, and the load required for each operation was measured. Table 4 shows the measurement results.
【0050】[0050]
【表4】 [Table 4]
【0051】防振性能実験 次に、第1実施例及び第2実施例の保持具(1)に対し
て、防振性能実験を行った。振動入力用のパイプ(1
1)、振動検出用のパイプ(12)及びその他のパイプ(1
3)の装着方法や振動の測定方法及び測定装置は、前記
防振性能実験と同様の条件とした。但し、今回は入力用
パイプ(11)の両端を、図4に示す如く、振動試験機
(16)に接続して振動を与えた。そして、振動の入力条
件は以下の通りであり、その測定結果を表5及び図6の
折れ線グラフに示す。尚、50Hzの場合は、振動試験機
の制約上入力加速度を5.49m/s2とし、入力振幅を増加さ
せている。 入力波形 :正弦波(加振方向:上下) 入力振幅 :0.05mmP-P一定(但し50Hzを除く) 加振周波数:50、75、100、125、150、175Hz 入力加速度:5.49、5.49、9.81、15.40、22.16、30.20m
/s2 Next, a vibration isolation performance experiment was performed on the holder (1) of the first and second embodiments. Pipe for vibration input (1
1), vibration detection pipe (12) and other pipes (1)
The mounting method and vibration measuring method and measuring device of 3) were set to the same conditions as in the above-described vibration isolation performance experiment. However, this time, as shown in FIG. 4, both ends of the input pipe (11) were
Vibration was applied by connecting to (16). The vibration input conditions are as follows, and the measurement results are shown in Table 5 and the line graph in FIG. In the case of 50 Hz, the input acceleration is set to 5.49 m / s 2 and the input amplitude is increased due to the restriction of the vibration tester. Input waveform: sine wave (excitation direction: vertical) Input amplitude: 0.05mmP-P constant (except 50Hz) Excitation frequency: 50, 75, 100, 125, 150, 175Hz Input acceleration: 5.49, 5.49, 9.81, 15.40, 22.16, 30.20m
/ s 2
【0052】[0052]
【表5】 [Table 5]
【0053】上記表4の結果より、リブ(10)を設けた
第1実施例の方が、リブ(10)を設けていない第2実施
例よりも、パイプの抜け力が大きい。そのため、保持具
(1)は挟持力が強く、配管(2)の脱落・位置ズレ防止効
果は、第2実施例の保持具(1)よりも高い。また、リブ
(10)を設けた方が、剛性が高く、保持具(1)の反りや
撓みを良好に防止できる。しかしながら、第2実施例の
保持具(1)も、パイプの抜け力、挿入力が良好で、配管
(2)の挟持性に優れている。更に、リブ(10)を設けな
い方が、製造の手間や材料を省く事ができる。また、表
5に示す通り、第1、第2実施例ともに、振動の吸収・
減衰性に優れた保持具(1)である。従って、使用目的や
製造の手間等を考慮して、リブ(10)有り無しの何れか
適宜の形状で保持具(1)を形成するのが好ましい。From the results shown in Table 4 above, the first embodiment in which the rib (10) is provided has a greater pipe pull-out force than the second embodiment in which the rib (10) is not provided. Therefore, the holder
(1) has a strong clamping force, and the effect of preventing the pipe (2) from falling off and displacing is higher than that of the holder (1) of the second embodiment. Also ribs
The provision of (10) has higher rigidity and can better prevent the holder (1) from warping or bending. However, the holder (1) of the second embodiment also has good pull-out force and insertion force of the pipe, and
Excellent pinchability of (2). Further, when the rib (10) is not provided, the labor and material for manufacturing can be saved. In addition, as shown in Table 5, both the first and second embodiments absorb vibrations.
A holder (1) having excellent damping properties. Therefore, it is preferable to form the holder (1) in any appropriate shape with or without the rib (10) in consideration of the purpose of use, the labor of manufacturing, and the like.
【0054】[0054]
【発明の効果】本発明は上述の如く構成したもので、硬
度D45〜55のポリエチレン樹脂、硬度A65〜85
のエチレン−αオレフィン共重合体、及び発泡剤の混合
素材で形成した保持具は、配管に対する挟持性に優れ、
脱落や位置ズレを良好に防止可能となるとともに、振動
の吸収・減衰性に優れたものとなる。また、このような
保持具を、複数の部材を用いる事なく単純な製造方法で
容易に形成する事ができる。According to the present invention, a polyethylene resin having a hardness of D45 to 55 and a hardness of A65 to 85 are provided.
Ethylene-α olefin copolymer, and a holder formed of a mixed material of a foaming agent, is excellent in pinchability to piping,
In addition to being able to prevent dropping and displacement, the vibration absorption and damping properties are excellent. Further, such a holder can be easily formed by a simple manufacturing method without using a plurality of members.
【0055】そして、自動車のアンダーフロアパネル、
前面パネル等に本発明の保持具を接続し、この保持具に
燃料タンクからエンジンルームへ燃料を供給するフュー
エルメイン配管、エンジンからの余剰燃料を燃料タンク
へ戻すフューエルリターン配管、燃料タンク内の燃料の
蒸気をエンジンルーム内のキャニスターに吸着させるた
めのエバポ配管、ABS用のブレーキ配管、クラッチ配
管、ケーブル用配管、その他の配管を装着する事によ
り、優れた防振・防音効果を発揮する事ができる。Then, the under floor panel of the automobile,
The holder of the present invention is connected to the front panel or the like, and a fuel main pipe for supplying fuel from the fuel tank to the engine room to the holder, a fuel return pipe for returning surplus fuel from the engine to the fuel tank, and a fuel in the fuel tank. By installing evaporative piping for adsorbing steam to the canister in the engine room, brake piping for ABS, clutch piping, cable piping, and other piping, it is possible to exhibit excellent vibration and sound insulation effects. it can.
【0056】即ち、燃料の流通やブレーキ、クラッチ操
作等による配管自身の振動、エンジンブロック、ブレー
キ、クラッチ、その他の配管の連絡先や、隣接する配管
から伝播される振動等は、保持具により良好に吸収・減
衰され、振動による配管への悪影響を防止するととも
に、騒音の発生を良好に防止するものとなる。また、保
持具による優れた吸振性により、同じ保持具に装着し
た、隣接する配管相互や、各配管の連結先への振動の伝
播も防止する事ができる。更に、エンジンや路面からの
振動が、アンダーフロアパネルや前面パネルを通じて保
持具に伝播しても、この振動を保持具自身で吸収・減衰
する。従って、この保持具に装着した各配管への振動の
伝播を防止して、配管に悪影響を及ぼす事はないし、騒
音等の発生も良好に防止する事ができる。That is, the vibration of the pipe itself due to the flow of fuel, the operation of the brake and the clutch, the contact points of the engine block, the brake, the clutch, and other pipes, and the vibration transmitted from the adjacent pipe are improved by the holder. In addition to preventing the noise from being adversely affected by the vibration, the generation of noise is satisfactorily prevented. In addition, due to the excellent vibration absorbing property of the holder, it is possible to prevent the propagation of vibration to adjacent pipes mounted on the same holder and to a connection destination of each pipe. Further, even if vibration from the engine or the road surface propagates to the holder through the underfloor panel or the front panel, the vibration is absorbed and attenuated by the holder itself. Therefore, it is possible to prevent the propagation of vibration to each pipe attached to the holder, to have no adverse effect on the pipe, and to satisfactorily prevent the generation of noise and the like.
【図1】本発明の保持具の一実施例を示す全体斜視図。FIG. 1 is an overall perspective view showing one embodiment of a holder of the present invention.
【図2】図1の平面図。FIG. 2 is a plan view of FIG. 1;
【図3】図1の側面図。FIG. 3 is a side view of FIG. 1;
【図4】防振性能実験の概略図。FIG. 4 is a schematic diagram of a vibration isolation performance experiment.
【図5】表3の防振性能測定結果を表す折れ線グラフ。FIG. 5 is a line graph showing the results of measuring vibration isolation performance in Table 3.
【図6】表5の防振性能測定結果を表す折れ線グラフ。FIG. 6 is a line graph showing the results of measuring vibration isolation performance in Table 5.
2 配管 3 固定本体 4 基盤部 5 固定突部 6 配管凹部 7 係合片 8 中空部 10 リブ 2 Piping 3 Fixed body 4 Base 5 Fixed projection 6 Piping recess 7 Engagement piece 8 Hollow part 10 Rib
Claims (6)
成し、この固定突部間に、配管を装着する配管凹部を設
けて固定本体を形成したものに於いて、固定本体を、硬
度D45〜55のポリエチレン樹脂、硬度A65〜85
のエチレン−αオレフィン共重合体、及び発泡剤を混合
して形成し、その混合割合を、ポリエチレン樹脂1に対
して、エチレン−αオレフィン共重合体を0.5〜1.
5、発泡剤を0.04〜0.12とした事を特徴とする
配管の振動吸収用保持具。A fixed body is formed by projecting a plurality of fixed protrusions on the surface of a base portion, and providing a pipe recess for mounting a pipe between the fixed protrusions to form a fixed body. Polyethylene resin of hardness D45-55, hardness A65-85
Of the ethylene-α-olefin copolymer and the foaming agent, and the mixing ratio of the ethylene-α-olefin copolymer is 0.5 to 1.
5. A vibration absorbing holder for piping, wherein the foaming agent is 0.04 to 0.12.
樹脂、硬度A83のエチレン−αオレフィン共重合体、
発泡剤を混合して形成した事を特徴とする請求項1の配
管の振動吸収用保持具。2. The fixing body is made of a polyethylene resin having a hardness of D48, an ethylene-α-olefin copolymer having a hardness of A83,
2. A holder for absorbing vibration of a pipe according to claim 1, wherein said holder is formed by mixing a foaming agent.
ン−αオレフィン共重合体、発泡剤の混合割合を、ポリ
エチレン樹脂1に対して、エチレン−αオレフィン共重
合体を1、発泡剤を0.08とした事を特徴とする請求
項1の配管の振動吸収用保持具。3. The fixing body is composed of a polyethylene resin, an ethylene-α-olefin copolymer and a foaming agent in a mixing ratio of 1 ethylene-α-olefin copolymer and 0.08 foaming agent per polyethylene resin. 2. The holder for absorbing vibration of piping according to claim 1, wherein:
出し、この係合片を、配管凹部に係合した配管の抜き出
し方向の表面に突き当て係合可能とした事を特徴とする
請求項1の配管の振動吸収用保持具。4. The fixed projection projects an engaging piece in the direction of the pipe recess, and the engaging piece abuts on the surface of the pipe engaged with the pipe recess in the pull-out direction so as to be engageable. The holder for absorbing vibration of piping according to claim 1.
部間を、配管凹部と平行にくり抜いて、中空部を設けた
事を特徴とする請求項1の配管の振動吸収用保持具。5. The holder for absorbing vibration of piping according to claim 1, wherein a hollow portion is provided in a base portion of the fixed main body by hollowing out between adjacent piping recesses in parallel with the piping recesses.
徴とする請求項5の配管の振動吸収用保持具。6. The holder for absorbing vibration of piping according to claim 5, wherein a rib is provided in the center of the hollow portion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP34601699A JP2001165352A (en) | 1999-12-06 | 1999-12-06 | Pipe holder for absorbing vibration |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP34601699A JP2001165352A (en) | 1999-12-06 | 1999-12-06 | Pipe holder for absorbing vibration |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2001165352A true JP2001165352A (en) | 2001-06-22 |
JP2001165352A5 JP2001165352A5 (en) | 2007-02-01 |
Family
ID=18380571
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP34601699A Withdrawn JP2001165352A (en) | 1999-12-06 | 1999-12-06 | Pipe holder for absorbing vibration |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2001165352A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012159033A (en) * | 2011-01-31 | 2012-08-23 | Imagineering Inc | Engine |
KR20170004817A (en) * | 2015-07-03 | 2017-01-11 | 히타치 어플라이언스 가부시키가이샤 | Fixing member and apparatus including the same |
JP2021035716A (en) * | 2019-08-22 | 2021-03-04 | セイコーエプソン株式会社 | Rotary module and robot |
-
1999
- 1999-12-06 JP JP34601699A patent/JP2001165352A/en not_active Withdrawn
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012159033A (en) * | 2011-01-31 | 2012-08-23 | Imagineering Inc | Engine |
KR20170004817A (en) * | 2015-07-03 | 2017-01-11 | 히타치 어플라이언스 가부시키가이샤 | Fixing member and apparatus including the same |
CN106321964A (en) * | 2015-07-03 | 2017-01-11 | 日立空调·家用电器株式会社 | Fixing member and apparatus including the same |
KR101872290B1 (en) * | 2015-07-03 | 2018-06-28 | 히타치 어플라이언스 가부시키가이샤 | Fixing member and apparatus including the same |
CN106321964B (en) * | 2015-07-03 | 2018-11-27 | 日立空调·家用电器株式会社 | Fixation member and equipment with the fixation member |
JP2021035716A (en) * | 2019-08-22 | 2021-03-04 | セイコーエプソン株式会社 | Rotary module and robot |
JP7428050B2 (en) | 2019-08-22 | 2024-02-06 | セイコーエプソン株式会社 | Rotating module and robot |
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