JP2001030252A - Hollow chamber isolating tool in hollow structure and production thereof - Google Patents
Hollow chamber isolating tool in hollow structure and production thereofInfo
- Publication number
- JP2001030252A JP2001030252A JP11210900A JP21090099A JP2001030252A JP 2001030252 A JP2001030252 A JP 2001030252A JP 11210900 A JP11210900 A JP 11210900A JP 21090099 A JP21090099 A JP 21090099A JP 2001030252 A JP2001030252 A JP 2001030252A
- Authority
- JP
- Japan
- Prior art keywords
- hollow
- hollow chamber
- base material
- holder
- holding groove
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
- B29C44/18—Filling preformed cavities
- B29C44/188—Sealing off parts of the cavities
Landscapes
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Body Structure For Vehicles (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、中空構造物にお
ける中空室遮断具とその製造方法に関し、主として複数
枚のパネルによって中空の箱形閉じ断面に構成された車
両ボディの中空パネル（例えば、ピラー、ロッカーパネ
ル、ルーフサイドパネル等）のような中空構造物の制
振、防音等を高めるために、その中空室を遮断する中空
構造物における中空室遮断具とその製造方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hollow chamber shut-off device for a hollow structure and a method of manufacturing the same, and more particularly to a hollow panel (for example, a pillar) of a vehicle body having a hollow box-shaped closed cross-section formed by a plurality of panels. , A rocker panel, a roof side panel, etc.) to improve the vibration control, soundproofing and the like of a hollow structure, and to a hollow chamber blocking device for a hollow structure that blocks the hollow chamber and a method of manufacturing the same.
【０００２】[0002]
【従来の技術】この種の中空構造物における中空室遮断
具には、例えば、特開平１０−９１１７０号公報に開示
されている。これにおいては、図１３に示すように、中
空構造物の中空室に取り付けられるホルダ体１２０と、
そのホルダ体１２０に保持されかつ外部加熱によって発
泡して発泡体となることで中空室を遮断する発泡性基材
１１１とを備えて中空室遮断具１１０が構成されてい
る。また、ホルダー体１２０は、中空室の長手方向にそ
れぞれ直交する一対のホルダプレート１３０、１６０を
有し、一方のホルダプレート１３０の一側面には、その
ホルダプレート１３０の周縁部近傍に沿って略環状をな
す環状保持壁１４１が突設されている。また、一対のホ
ルダプレート１３０、１６０の一側周縁部はヒンジ部１
２１によって開閉可能に連結され、これら一対のホルダ
プレート１３０、１６０の他側には、閉止爪１５３と閉
止孔１６１とが係合可能に設けられている。一方、環状
保持壁１４１の外周に沿って環状の板状をなす発泡性基
材１１１は、射出成形用の成形金型内に発泡剤混入の発
泡性材料が射出されて所要とする形状に形成されてい
る。2. Description of the Related Art Japanese Patent Laid-Open Publication No. 10-91170 discloses a hollow chamber shutoff device of this kind in a hollow structure. In this case, as shown in FIG. 13, a holder body 120 attached to the hollow chamber of the hollow structure,
The hollow-chamber shut-off device 110 is provided with a foamable base material 111 that is held by the holder body 120 and foams by external heating to form a foam to shut off the hollow chamber. In addition, the holder body 120 has a pair of holder plates 130 and 160 orthogonal to the longitudinal direction of the hollow chamber, and one side surface of one of the holder plates 130 is substantially along the periphery of the holder plate 130. An annular holding wall 141 is formed in an annular shape. Further, one side peripheral portion of the pair of holder plates 130 and 160 is a hinge portion 1.
A closing claw 153 and a closing hole 161 are provided on the other side of the pair of holder plates 130 and 160 so as to be engaged with each other. On the other hand, the foamable base material 111 having an annular plate shape along the outer periphery of the annular holding wall 141 is formed into a required shape by injecting a foaming material mixed with a foaming agent into a molding die for injection molding. Have been.
【０００３】[0003]
【発明が解決しようとする課題】ところで、前記従来の
中空室遮断具１１０において、発泡性基材１１１を所要
とする形状に形成するために、射出成形用の成形型を製
作しなければならない。また、中空構造物としての車両
ボディの中空パネルには、例えば、ピラー、ロッカーパ
ネル、ルーフサイドパネル等があり、これら中空パネル
の断面形状大きさも多種多様である。このため、多種多
様の中空パネルの断面形状に対応する発泡性基材１１１
を製作するためには、その数に相当する分だけ射出成形
用の成形金型を製作しなければならず、その成形金型の
製作費が膨大となるという問題点があった。Incidentally, in the above-mentioned conventional hollow chamber shutoff device 110, in order to form the foamable base material 111 into a required shape, a molding die for injection molding must be manufactured. The hollow panels of the vehicle body as hollow structures include, for example, pillars, rocker panels, roof side panels, and the like, and the cross-sectional shapes of these hollow panels are also various. For this reason, the foamable base material 111 corresponding to the cross-sectional shape of a wide variety of hollow panels
In order to manufacture the molding die, it is necessary to produce a molding die for injection molding by an amount corresponding to the number, and there is a problem that the production cost of the molding die becomes enormous.
【０００４】この発明の目的は、前記問題点に鑑み、発
泡性基材に対応する射出成形用の成形金型を製作する必
要性を解消することができ中空室遮断具を安価に提供す
ることができる中空構造物における中空室遮断具とその
製造方法を提供することである。SUMMARY OF THE INVENTION In view of the above problems, it is an object of the present invention to provide an inexpensive hollow chamber shut-off device which can eliminate the necessity of producing a molding die for injection molding corresponding to a foamable base material. It is an object of the present invention to provide a hollow chamber blocking device for a hollow structure and a method of manufacturing the same.
【０００５】[0005]
【課題を解決するための手段】前記目的を達成するため
に、第１の発明に係る中空構造物における中空室遮断具
は、請求項１に記載のとおりの構成を要旨とする。した
がって、押出成形機の成形ダイの押出口から押し出され
た押出し品が粘性を有するうちに、その押出し品がホル
ダプレートの略環状の保持溝の溝内に嵌込まれて保持さ
れることで発泡性基材を容易に構成することができる。
このため、従来と異なり、多種多様の中空パネルの断面
形状に対応する発泡性基材を製作するために、その数に
相当する分だけ射出成形用の成形金型を製作する必要性
を解消することができる。According to a first aspect of the present invention, there is provided a hollow structure shut-off device in a hollow structure according to the first aspect of the present invention. Therefore, while the extruded product extruded from the extrusion port of the forming die of the extruder has viscosity, the extruded product is fitted and held in the substantially annular holding groove of the holder plate to generate foam. The base material can be easily formed.
Therefore, unlike the related art, in order to manufacture a foamable base material corresponding to the cross-sectional shape of various types of hollow panels, it is possible to eliminate the necessity of manufacturing a molding die for injection molding corresponding to the number thereof. be able to.
【０００６】また、第２の発明に係る中空構造物におけ
る中空室遮断具は、請求項２に記載のとおりの構成を要
旨とするもので、ホルダプレートの略環状の保持溝には
発泡性基材を抜け止めして保持するための抜止手段が設
けられている。したがって、押出成形によって形成され
た発泡性材料よりなる押出し品が粘性を有するうちに、
その押出し品がホルダプレートの略環状の保持溝の溝内
に嵌込まれて保持され発泡性基材が構成される。この
際、抜止手段によって発泡性基材が抜け止めされるた
め、略環状の保持溝から発泡性基材が不測に抜け出る不
具合が防止される。A second aspect of the present invention is a hollow structure shut-off device having a hollow structure, wherein the substantially annular holding groove of the holder plate has a foamable base. A retaining means for retaining and holding the material is provided. Therefore, while the extruded product made of the foamable material formed by extrusion molding has viscosity,
The extruded product is fitted and held in the substantially annular holding groove of the holder plate to form a foamable base material. At this time, since the foamable base material is prevented from coming off by the retaining means, a problem that the foamable base material comes out of the substantially annular holding groove unexpectedly is prevented.
【０００７】第３の発明に係る中空構造物における中空
室遮断具は、請求項３に記載のとおりの構成を要旨とす
るもので、抜止手段は、ホルダプレートの略環状の保持
溝の底部に断面蟻溝状に形成された抜止溝によって構成
されている。したがって、断面蟻溝状の抜止溝によって
発泡性基材が強固に抜け止めされるため、略環状の保持
溝から発泡性基材が不測に抜け出る不具合がより一層確
実に防止される。According to a third aspect of the present invention, there is provided a hollow structure shut-off device having a hollow structure according to a third aspect of the present invention, wherein the retaining means is provided at a bottom of a substantially annular holding groove of the holder plate. It is constituted by a retaining groove formed in a dovetail-shaped cross section. Therefore, the foamable base material is firmly prevented from coming off by the retaining groove having a dovetail cross section, so that the problem that the foamable base material unexpectedly comes out of the substantially annular holding groove can be more reliably prevented.
【０００８】第４の発明に係る中空構造物における中空
室遮断具は、請求項４に記載のとおりの構成を要旨とす
るもので、ホルダプレートの略環状の保持溝は断面蟻溝
状に形成され、その保持溝によって抜止手段が構成され
ている。したがって、断面蟻溝状に形成された略環状の
保持溝によって発泡性基材を強固に抜け止めすることが
でき、略環状の保持溝の溝底部や側壁部に対し抜止溝や
抜止孔等の抜止手段を形成する必要性を解消することが
できる。According to a fourth aspect of the present invention, there is provided a hollow structure shut-off device having a hollow structure, wherein the substantially annular holding groove of the holder plate has a dovetail-shaped cross section. The retaining groove constitutes a retaining means. Therefore, the foamable base material can be firmly prevented from coming off by the substantially annular holding groove formed in the shape of a dovetail cross section, and a retaining groove, a retaining hole, or the like is formed on the bottom or side wall of the substantially annular retaining groove. The necessity of forming the retaining means can be eliminated.
【０００９】第５の発明に係る中空構造物における中空
室遮断具の製造方法は、請求項５に記載のとおりの構成
を要旨とする。したがって、一側面の周縁部近傍に沿っ
て略環状をなす略環状の保持溝が突設されたホルダプレ
ートを有するホルダ体を形成する工程と、押出成形用ダ
イから押し出された発泡性材料よりなる押出し品を前記
略環状の保持溝の外周に沿って嵌込んで保持することで
発泡性基材を構成する工程との順によって請求項１に記
載の中空室遮断具を容易にかつ安価に製造することがで
きる。According to a fifth aspect of the present invention, a method of manufacturing a hollow chamber blocking device for a hollow structure has a structure as described in claim 5. Therefore, a step of forming a holder body having a holder plate provided with a substantially annular holding groove projecting substantially along the periphery of one side surface, and a foamable material extruded from an extrusion die. 2. The hollow-chamber shut-off device according to claim 1, wherein the extruded product is easily and inexpensively manufactured by fitting and holding the extruded product along the outer periphery of the substantially annular holding groove to form a foamable base material. can do.
【００１０】[0010]
【発明の実施の形態】この発明の実施の形態を図１〜図
１２にしたがって説明する。図４と図５において、中空
構造物としての車両ボディの中空パネル１は、インナパ
ネル２とアウタパネル４とが、これら相互のフランジ
３、５においてスポット溶接されることで、中空の箱形
閉じ断面に形成されている。前記インナパネル２の所定
位置には、ホルダ体２０を回り止めして取り付けるため
の長円形、楕円形、四角形等の非円形の取付孔７が貫設
されている。DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. 4 and 5, a hollow panel 1 of a vehicle body as a hollow structure has a hollow box-shaped closed cross section obtained by spot welding an inner panel 2 and an outer panel 4 at their mutual flanges 3, 5. Is formed. At a predetermined position of the inner panel 2, a non-circular mounting hole 7 such as an ellipse, an ellipse, or a square for fixing the holder body 20 while preventing rotation is provided therethrough.
【００１１】中空パネル１の中空室６を遮断する中空室
遮断具１０は、発泡性基材１１とホルダ体２０とを備え
ている。この実施の形態において、ホルダ体２０は、ホ
ルダプレート３０と取付用クリップ６０をそれぞれ一体
に備え、かつ耐熱性合成樹脂の射出成形によって一体成
形されている。ホルダプレート３０は、中空パネル１の
中空室６の長手方向に直交する方向にそれぞれ平板状を
なしかつ中空室６の横断面形状よりも適宜に小さく形成
されている。そして、ホルダプレート３０の外周縁と、
中空室６の内周面との間には、所定の隙間（中空パネル
１が塗料槽に浸漬されたときに、その塗料槽の塗料が通
過可能な程度の隙間）が設けられるようになっている。[0011] The hollow chamber blocking device 10 for blocking the hollow chamber 6 of the hollow panel 1 includes a foamable base material 11 and a holder body 20. In this embodiment, the holder body 20 integrally includes the holder plate 30 and the mounting clip 60, and is integrally formed by injection molding of a heat-resistant synthetic resin. The holder plate 30 has a flat plate shape in a direction orthogonal to the longitudinal direction of the hollow chamber 6 of the hollow panel 1 and is formed to be appropriately smaller than the cross-sectional shape of the hollow chamber 6. And the outer peripheral edge of the holder plate 30;
A predetermined gap (a gap that allows the paint in the paint tank to pass when the hollow panel 1 is immersed in the paint tank) is provided between the hollow chamber 6 and the inner peripheral surface thereof. I have.
【００１２】ホルダプレート３０の外周部の一側中央部
には、取付用クリップ６０が一体に形成されている。こ
の取付用クリップ６０は、ホルダプレート３０の外周部
の一側中央部に形成された座部６１と、その座部６１か
ら一体に突設されかつインナパネル２の取付孔７に差し
込まれる脚部６２と、その脚部６２の先端から延出さ
れ、かつ取付孔７に弾性的に係合する一対の弾性係止片
６３とを備えている。前記ホルダプレート３０の外周面
には、その取付用クリップ６０の座部６１の部分を除く
略全周にわたって略環状をなす保持溝３３が形成されて
いる。A mounting clip 60 is integrally formed at the center of one side of the outer peripheral portion of the holder plate 30. The mounting clip 60 has a seat portion 61 formed at a central portion on one side of an outer peripheral portion of the holder plate 30, and a leg portion which is integrally protruded from the seat portion 61 and inserted into the mounting hole 7 of the inner panel 2. 62, and a pair of elastic locking pieces 63 extending from the distal ends of the legs 62 and elastically engaging with the mounting holes 7. On the outer peripheral surface of the holder plate 30, a substantially annular holding groove 33 is formed over substantially the entire circumference except for the seat portion 61 of the mounting clip 60.
【００１３】図１〜図３に示すように、前記ホルダプレ
ート３０の保持溝３３には、押出成形によって形成され
た発泡性材料よりなる押出し品１１ａが嵌込まれて保持
されることで、発泡性基材１１が構成されている。ま
た、この実施の形態において、略環状の保持溝３３の溝
底部のうち、取付用クリップ６０が設けられる一側と、
その反対側の溝底部には、抜止手段としての断面蟻溝状
をなす抜止溝４１が形成されている（図２参照）。そし
て、抜止溝４１に対し発泡性基材１１の一部が押し込ま
れることで発泡性基材１１が抜け止めされて保持される
ようになっている。As shown in FIGS. 1 to 3, an extruded product 11a made of a foamable material formed by extrusion is fitted into and held in the holding groove 33 of the holder plate 30, thereby forming a foam. The base material 11 is constituted. Also, in this embodiment, one side of the groove bottom of the substantially annular holding groove 33 where the mounting clip 60 is provided,
A locking groove 41 having a dovetail cross section as a locking means is formed at the groove bottom on the opposite side (see FIG. 2). When a part of the foamable base material 11 is pushed into the retaining groove 41, the foamable base material 11 is prevented from falling off and held.
【００１４】前記発泡性基材１１は、１１０℃〜１９０
℃前後の温度で発泡、硬化され、独立気泡の発泡体１５
となって金属面や塗装面に密着状態で接着する発泡剤混
合の合成樹脂、ゴム等の発泡性材料より形成されてい
る。すなわち、図８に示すように、発泡性材料が押出成
形機７０の成形ダイ７１の押出口から所要とする長さ
（ホルダプレート３０の保持溝３３の外周長さに相当す
る長さ）だけ押し出された押出し品１１ａが硬化する前
で柔らかくかつ粘性を有するうちに、保持溝３３の溝内
に嵌込まれて保持され、これによって発泡性基材１１が
構成される。なお、押出成形機７０の成形ダイ７１の押
出口から押し出されて得られた押出し品１１ａの断面形
状は、略円形であってもよく、楕円、四角形、台形等の
非円形であってもよい。The foamable base material 11 has a temperature of 110.degree.
Foamed and hardened at a temperature of about ℃ C, a closed-cell foam 15
It is made of a foaming material such as synthetic resin or rubber mixed with a foaming agent and adhered to a metal surface or a painted surface in a close contact state. That is, as shown in FIG. 8, the foamable material is extruded from the extrusion opening of the molding die 71 of the extrusion molding machine 70 by a required length (a length corresponding to the outer peripheral length of the holding groove 33 of the holder plate 30). While the extruded product 11a is soft and viscous before being cured, it is fitted and held in the holding groove 33, thereby forming the foamable base material 11. The cross-sectional shape of the extruded product 11a obtained by being extruded from the extrusion opening of the forming die 71 of the extruder 70 may be substantially circular, or may be non-circular such as elliptical, square, or trapezoidal. .
【００１５】前記したように、押出成形機７０の成形ダ
イ７１の押出口から発泡性材料が所要とする長さだけ押
し出されて得られた押出し品１１ａが粘性を有するうち
に、ホルダプレート３０の外周縁の保持溝３３の溝内に
嵌込まれて装着されることで発泡性基材１１が容易に構
成される。したがって、中空パネル１の断面形状や大き
さが多種多様に異なる場合においても、まず、ホルダ体
２０のホルダプレート３０の保持溝３３の外周長さに対
応して、押出成形機７０の成形ダイ７１の押出口から発
泡性材料が押出れることで、所要とする長さの押出し品
１１ａが容易に形成される。その後、所要とする長さの
押出し品１１ａが粘性を有するうちに、ホルダプレート
３０の保持溝３３の溝内に嵌込まれて装着されることで
発泡性基材１１が容易に構成される。このため、従来と
異なり、多種多様の中空パネルの断面形状に対応する発
泡性基材を製作するためには、その数に相当する分だけ
射出成形用の成形金型を製作する必要性を解消すること
ができ、中空室遮断具１０を安価に提供することができ
る。As described above, while the extruded product 11a obtained by extruding the foamable material by the required length from the extrusion port of the molding die 71 of the extruder 70 has viscosity, the holder plate 30 The foamable base material 11 is easily configured by being fitted into and attached to the holding groove 33 on the outer peripheral edge. Therefore, even when the cross-sectional shape and the size of the hollow panel 1 are variously different, first, the forming die 71 of the extruder 70 corresponds to the outer peripheral length of the holding groove 33 of the holder plate 30 of the holder body 20. The extruded product 11a having a required length can be easily formed by extruding the foamable material from the extrusion opening of (1). Thereafter, while the extruded product 11a having a required length has viscosity, the foamed base material 11 is easily configured by being fitted into the holding groove 33 of the holder plate 30 and being mounted. For this reason, unlike the conventional method, the need to manufacture injection molding dies corresponding to the number of foamable base materials that correspond to the cross-sectional shapes of various types of hollow panels is eliminated. Therefore, the hollow-room blocking device 10 can be provided at low cost.
【００１６】また、ホルダプレート３０の保持溝３３の
溝内に押出し品１１ａが粘性を有するうちに嵌込まれて
装着され発泡性基材１１が構成される際、発泡性基材１
１の一部が抜止溝４１内に押し込まれ、これによって発
泡性基材１１の一部が抜止溝４１の溝側面に係合して抜
け止め保持される。このため、保持溝３３から発泡性基
材１１が不測に抜け出て外れる不具合が防止される。特
に、ホルダプレート３０の保持溝３３の溝底部のうち、
取付用クリップ６０が設けられる一側に形成された抜止
溝４１に対し、押出し品１１ａよりなる発泡性基材１１
の両端末部が押し込まれて抜け止めされている。このた
め、保持溝３３の溝底部から発泡性基材１１の両端末部
が浮き上がる不具合も防止することができる。When the extruded product 11a is fitted and mounted in the holding groove 33 of the holder plate 30 while having viscosity, the foamed base material 1
A part of 1 is pushed into the retaining groove 41, whereby a part of the foamable base material 11 is engaged with the groove side surface of the retaining groove 41 and is retained and retained. For this reason, the problem that the foamable base material 11 comes out of the holding groove 33 unexpectedly and comes off is prevented. In particular, of the groove bottom of the holding groove 33 of the holder plate 30,
The foamable base material 11 made of the extruded product 11a is inserted into the retaining groove 41 formed on one side where the mounting clip 60 is provided.
Of both terminals are pushed in and retained. Therefore, it is possible to prevent a problem that both ends of the foamable base material 11 are lifted from the bottom of the holding groove 33.
【００１７】図４と図５に示すように、前記したように
構成された中空室遮断具１０は、そのホルダ体２０の取
付用クリップ６０においてインナパネル２の取付孔７に
取り付けられ、中空パネル１の中空室６内に配設され
る。すなわち、中空パネル１を構成するインナパネル２
とアウタパネル４とが、その相互のフランジ３、５にお
いてスポット溶接される前に、インナパネル２の取付孔
７に中空室遮断具１０のホルダ体２０が、その取付用ク
リップ６０によって回り止めされて取り付けられる。そ
の後、インナパネル２とアウタパネル４とが、その相互
のフランジ３、５においてスポット溶接され、中空の箱
形閉じ断面をなす中空パネル１が構成される。As shown in FIG. 4 and FIG. 5, the hollow chamber shut-off device 10 constructed as described above is mounted on the mounting hole 7 of the inner panel 2 at the mounting clip 60 of the holder body 20, and the hollow panel One hollow chamber 6 is provided. That is, the inner panel 2 constituting the hollow panel 1
Before the outer panel 4 and the outer panel 4 are spot-welded at their mutual flanges 3 and 5, the holder body 20 of the hollow-blocking device 10 is prevented from rotating by the mounting clips 60 in the mounting holes 7 of the inner panel 2. It is attached. Thereafter, the inner panel 2 and the outer panel 4 are spot-welded at their mutual flanges 3 and 5 to form the hollow panel 1 having a hollow box-shaped closed cross section.
【００１８】ここで、外部からの加熱、例えば、中空パ
ネル１を有する車両ボディの焼き付け塗装の際の外部加
熱によって、図６と図７に示すように、発泡性基材１１
が発泡して発泡体１５となる。発泡性基材１１が発泡す
る際、その発泡性基材１１の両側部はホルダプレート３
０の保持溝３３の両側壁部に保持され、同発泡性基材１
１の内周面は保持溝３３の底部において支持される。こ
のため、中空室６の長手方向に対しては発泡性基材１１
の発泡が制限され、中空室６の長手方向に直交しかつ中
空室６の内周壁面に向かう方向に対しては発泡性基材１
１の発泡が効果的に促進される。これによって、発泡性
基材１１の発泡による発泡体１５の周縁部が中空室６の
内周壁面に密着（接着）し、中空室６が塞ぎ不良なく確
実に遮断される。この結果、中空パネル１の制振、防音
等が効率良く高められる。Here, as shown in FIGS. 6 and 7, the foamable base material 11 is heated by external heat, for example, when the vehicle body having the hollow panel 1 is baked and painted.
Foams to form a foam 15. When the foamable base material 11 is foamed, both sides of the foamable base material 11
0 is held on both side walls of the holding groove 33,
1 is supported at the bottom of the holding groove 33. Therefore, the foamable base material 11
Foaming is restricted, and the foamable base material 1 is orthogonal to the longitudinal direction of the hollow chamber 6 and toward the inner peripheral wall surface of the hollow chamber 6.
1 is effectively promoted. As a result, the peripheral portion of the foam 15 formed by the foaming of the foamable base material 11 adheres (adheres) to the inner peripheral wall surface of the hollow chamber 6, and the hollow chamber 6 is reliably blocked without a defective closing. As a result, vibration control, soundproofing, and the like of the hollow panel 1 are efficiently enhanced.
【００１９】なお、前記実施の形態では、ホルダプレー
ト３０の外周部に、そのホルダプレート３０の肉厚内に
おいて保持溝３３が形成される場合を例示したが、これ
に限定しない。例えば、図９の（Ａ）に示すように、ホ
ルダプレート３０の両側面のうち、片側面に凹部３５を
形成してホルダプレート３０の肉厚を薄くしてもよい。
また、図９の（Ｂ）に示すように、ホルダプレート３０
の両側面に凹部３６をそれぞれ形成してホルダプレート
３０の肉厚を薄くしてもよい。図９の（Ａ）あるいは
（Ｂ）に示すように、ホルダプレート３０の片側面ある
いは両側面に凹部３５、３６を形成して肉厚を薄くする
ことで、ホルダプレート３０の重量軽減や材料費の節減
を図ることができる。また、ホルダプレート３０の片側
面あるいは両側面の凹部３５、３６に対し縦横方向のリ
ブを設けることで、ホルダプレート３０の肉厚を可及的
に薄くすることも可能である。In the above embodiment, the case where the holding groove 33 is formed in the outer peripheral portion of the holder plate 30 within the thickness of the holder plate 30 is exemplified, but the present invention is not limited to this. For example, as shown in FIG. 9A, a concave portion 35 may be formed on one side surface of both side surfaces of the holder plate 30 to reduce the thickness of the holder plate 30.
Further, as shown in FIG.
The thickness of the holder plate 30 may be reduced by forming the concave portions 36 on both side surfaces of the holder plate 30, respectively. As shown in FIG. 9A or 9B, by forming the recesses 35 and 36 on one side or both sides of the holder plate 30 to reduce the thickness, the weight of the holder plate 30 can be reduced and the material cost can be reduced. Can be saved. Further, by providing ribs in the vertical and horizontal directions for the concave portions 35 and 36 on one side surface or both side surfaces of the holder plate 30, the thickness of the holder plate 30 can be made as thin as possible.
【００２０】また、前記実施の形態においては、ホルダ
プレート３０の保持溝３３の溝底部のうち、取付用クリ
ップ６０が設けられる一側と、その反対側の溝底部に対
し、抜止手段を構成する断面蟻溝状の抜止溝４１が形成
される場合を例示したが、これに限定しない。例えば、
ホルダプレート３０の保持溝３３の溝底部のうち、取付
用クリップ６０が設けられる一側に対してのみ抜止手段
を構成する断面蟻溝状の抜止溝４１が形成されてもよ
い。In the above-mentioned embodiment, of the groove bottom of the holding groove 33 of the holder plate 30, one side on which the mounting clip 60 is provided and the groove bottom on the opposite side constitute a retaining means. Although the case where the retaining groove 41 having a dovetail cross section is formed has been illustrated, the invention is not limited to this. For example,
Of the groove bottom of the holding groove 33 of the holder plate 30, a locking groove 41 having a dovetail cross section may be formed on only one side on which the mounting clip 60 is provided.
【００２１】また、図１０に示すように、ホルダプレー
ト３０の保持溝３３の溝底部の所定位置に、発泡性基材
１１に対する抜止手段を構成する抜止突起４２が突設さ
れてもよい。この場合、ホルダプレート３０の保持溝３
３の溝内に押出し品１１ａが粘性を有するうちに嵌込ま
れて装着され発泡性基材１１が構成される際、発泡性基
材１１の一部に抜止突起４２が差し込まれ、これによっ
て発泡性基材１１が保持溝３３内に抜け止め保持され
る。このため、保持溝３３から発泡性基材１１が不測に
抜け出て外れる不具合が防止される。As shown in FIG. 10, a retaining projection 42 constituting retaining means for the foamable base material 11 may be provided at a predetermined position on the bottom of the retaining groove 33 of the holder plate 30. In this case, the holding groove 3 of the holder plate 30
When the extruded product 11a is inserted into the groove of No. 3 while being viscous and attached to form the foamable base material 11, the retaining projection 42 is inserted into a part of the foamable base material 11, thereby forming a foam. The base material 11 is retained in the holding groove 33 so as not to come off. For this reason, the problem that the foamable base material 11 comes out of the holding groove 33 unexpectedly and comes off is prevented.
【００２２】また、図１１の（Ａ）〜（Ｃ）に示すよう
に、ホルダプレート３０の保持溝３３の両側壁部のう
ち、一方の側壁部又は双方に抜止手段を構成する抜止孔
４３が形成されてもよい。この場合、ホルダプレート３
０の保持溝３３の溝内に押出し品１１ａが粘性を有する
うちに嵌込まれて装着され発泡性基材１１が構成される
際、発泡性基材１１の一部が抜止孔４３内に押し込ま
れ、これによって発泡性基材１１の一部が抜止孔４３に
係合して抜け止め保持される。このため、保持溝３３か
ら発泡性基材１１が不測に抜け出て外れる不具合が防止
される。また、図１１の（Ｃ）に示すように、保持溝３
３の側壁部の外側が大径で、内側が小径のテーパ孔に抜
止孔４３が形成される場合には、発泡性基材１１の一部
が抜止孔４３に強固に係合して抜け止め保持されるた
め、保持溝３３から発泡性基材１１が不測に抜け出て外
れる不具合がより一層確実に防止される。また、図１２
の（Ａ）及び（Ｂ）に示すように、ホルダプレート３０
の保持溝３３が断面蟻溝状に形成されその保持溝３３に
おいて抜止手段を構成することも可能である。As shown in FIGS. 11A to 11C, one of the side walls of the holding groove 33 of the holder plate 30 or one or both of the side walls has a stopper hole 43 which constitutes a stopper means. It may be formed. In this case, the holder plate 3
When the extruded product 11a is fitted and attached while having the viscosity in the groove of the holding groove 33 of 0, and the foamable base material 11 is configured, a part of the foamable base material 11 is pushed into the retaining hole 43. As a result, a part of the foamable base material 11 is engaged with the retaining hole 43 and is retained and retained. For this reason, the problem that the foamable base material 11 comes out of the holding groove 33 unexpectedly and comes off is prevented. In addition, as shown in FIG.
In the case where the retaining hole 43 is formed in a tapered hole having a large diameter on the outside and a small diameter on the inside of the side wall portion, a part of the foamable base material 11 is firmly engaged with the retaining hole 43 to prevent the side wall. Since the foamed base material 11 is held, the problem that the foamable base material 11 unexpectedly comes out of the holding groove 33 and comes off is more reliably prevented. FIG.
(A) and (B), as shown in FIG.
The holding groove 33 is formed in a dovetail shape in cross section, and the holding groove 33 may constitute a retaining means.
【００２３】また、前記実施の形態においては、中空構
造物が車両ボディのピラー、ロッカパネル、ルーフパネ
ル等の中空パネル１である場合を例示したが、これに限
るものではない。例えば、中空構造物が車両ボディ以
外、例えば、建築物、船舶等の建造物を構成する中空構
造物であってもよい。Further, in the above embodiment, the case where the hollow structure is the hollow panel 1 such as a pillar, a rocker panel, and a roof panel of the vehicle body is exemplified, but the invention is not limited to this. For example, the hollow structure may be a hollow structure other than the vehicle body, for example, a building such as a building or a ship.
【００２４】[0024]
【発明の効果】以上述べたように、この発明によれば、
多種多様の中空パネル等の中空構造物の断面形状に対応
する発泡性基材を製作するために、その数に相当する分
だけ射出成形用の成形金型を製作する必要性を解消する
ことができ、中空室遮断具を安価に提供することができ
る。As described above, according to the present invention,
In order to manufacture a foamable base material corresponding to the cross-sectional shape of a hollow structure such as a variety of hollow panels, it is possible to eliminate the necessity of manufacturing a molding die for injection molding corresponding to the number thereof. It is possible to provide the hollow chamber blocking device at low cost.
【図１】この発明の実施の形態に係る中空構造物におけ
る中空室遮断具におけるホルダ体のホルダプレートに発
泡性基材が装着された状態を一部破断して示す斜示図で
ある。FIG. 1 is a partially cutaway perspective view showing a state in which a foamable base material is mounted on a holder plate of a holder body in a hollow chamber blocking device in a hollow structure according to an embodiment of the present invention.
【図２】同じく図１のＩＩ−ＩＩ線に基づく中空室遮断
具の断面図である。FIG. 2 is a cross-sectional view of the hollow-chamber blocking device based on the line II-II in FIG.
【図３】同じく図１のＩＩＩ−ＩＩＩ線に基づく中空室
遮断具の断面図である。FIG. 3 is a cross-sectional view of the hollow-chamber shut-off device based on the line III-III of FIG.
【図４】同じく中空パネルの中空室に中空室遮断具が取
り付けられた状態を示す縦断面である。FIG. 4 is a longitudinal sectional view showing a state in which a hollow chamber blocking member is attached to a hollow chamber of the hollow panel.
【図５】同じく中空パネルの中空室に中空室遮断具が取
り付けられた状態を示す横断面図である。FIG. 5 is a cross-sectional view showing a state in which a hollow chamber blocking member is attached to a hollow chamber of the hollow panel.
【図６】同じく発泡性基材が発泡して発泡体となり中空
室が遮断された状態を示す縦断面である。FIG. 6 is a longitudinal sectional view showing a state in which a foamable base material is foamed to form a foam, and a hollow chamber is blocked.
【図７】同じく発泡性基材が発泡して発泡体となり中空
室が遮断された状態を示す横断面図である。FIG. 7 is a cross-sectional view showing a state in which the foamable base material is foamed to form a foam, and the hollow chamber is closed.
【図８】同じく押出成形機の成形ダイから発泡性基材を
構成する押出し品が押出された状態を示す説明図であ
る。FIG. 8 is an explanatory view showing a state where an extruded product constituting a foamable base material is extruded from a molding die of the extruder.
【図９】同じくホルダプレートの片側面あるいは両側面
に凹部を形成して肉厚を薄くした実施態様を示す断面図
である。FIG. 9 is a cross-sectional view showing an embodiment in which a recess is formed on one side surface or both side surfaces of the holder plate to reduce the thickness.
【図１０】同じくホルダプレートの略環状の保持溝の底
部に抜止手段としての抜止突起を設けた実施態様を示す
断面図である。FIG. 10 is a cross-sectional view showing an embodiment in which a retaining projection as a retaining means is provided at the bottom of the substantially annular holding groove of the holder plate.
【図１１】同じくホルダプレートの略環状の保持溝の側
壁部に抜止手段としての抜止孔を設けた実施態様を示す
断面図である。FIG. 11 is a cross-sectional view showing an embodiment in which a retaining hole serving as retaining means is provided in a side wall portion of the substantially annular holding groove of the holder plate.
【図１２】同じくホルダプレートの略環状の保持溝を断
面蟻溝状に形成して抜止手段を構成した実施態様を示す
断面図である。FIG. 12 is a cross-sectional view showing an embodiment in which a substantially annular holding groove of the holder plate is formed in a dovetail shape in cross section to constitute a retaining means.
【図１３】従来の中空室遮断具におけるホルダ体の一対
のホルダプレートが開いた状態を示す斜示図である。FIG. 13 is a perspective view showing a state in which a pair of holder plates of a holder body in a conventional hollow chamber blocking device is opened.
１ 中空パネル（中空構造物） ２ インナパネル ４ アウタパネル ６ 中空室 １０ 中空室遮断具 １１ 発泡性基材 ２０ ホルダ体 ３０ ホルダプレート ３３ 略環状の保持溝 ４１ 抜止溝（抜止手段） ６０ 取付用クリップ DESCRIPTION OF SYMBOLS 1 Hollow panel (hollow structure) 2 Inner panel 4 Outer panel 6 Hollow chamber 10 Hollow chamber shutoff tool 11 Foamable base material 20 Holder body 30 Holder plate 33 Substantially annular holding groove 41 Locking groove (Locking means) 60 Mounting clip
Claims (5)
ルダ体と、そのホルダ体に保持されかつ外部加熱によっ
て発泡して発泡体となることで前記中空室を遮断する発
泡性基材とを備えた中空構造物における中空室遮断具で
あって、 前記ホルダ体は、前記中空室の長手方向に直交するホル
ダプレートを有し、そのホルダプレートの周縁部には略
環状の保持溝が形成され、その保持溝の溝内には押出成
形によって形成された発泡性材料よりなる押出し品が嵌
込まれて保持されることで、発泡性基材が構成されてい
る中空構造物における中空室遮断具。1. A holder comprising: a holder attached to a hollow chamber of a hollow structure; and a foamable base material held by the holder and foamed by external heating to form a foam to block the hollow chamber. A hollow chamber blocking member in the hollow structure, wherein the holder body has a holder plate orthogonal to the longitudinal direction of the hollow chamber, a substantially annular holding groove is formed in a peripheral portion of the holder plate, An extruded product of a foamable material formed by extrusion molding is fitted into and held in the groove of the holding groove, so that a hollow chamber shutoff device in a hollow structure having a foamable base material.
空室遮断具であって、ホルダプレートの略環状の保持溝
には発泡性基材を抜け止めして保持するための抜止手段
が設けられている中空構造物における中空室遮断具。2. The hollow chamber blocking device according to claim 1, wherein the substantially annular holding groove of the holder plate is provided with a retaining means for preventing the foamable base material from coming off and holding the foamable base material. Of a hollow chamber in a hollow structure.
空室遮断具であって、抜止手段は、ホルダプレートの略
環状の保持溝の底部に断面蟻溝状に形成された抜止溝に
よって構成されている中空構造物における中空室遮断
具。3. The hollow chamber blocking device according to claim 2, wherein the retaining means comprises a retaining groove formed in a substantially dovetail-shaped cross section at the bottom of the substantially annular holding groove of the holder plate. Of a hollow chamber in a hollow structure that is being used.
空室遮断具であって、ホルダプレートの略環状の保持溝
は断面蟻溝状に形成され、その保持溝によって抜止手段
が構成されている中空構造物における中空室遮断具。4. The hollow-blocking device for a hollow structure according to claim 2, wherein a substantially annular holding groove of the holder plate is formed in a dovetail-shaped cross section, and the holding groove constitutes a retaining means. Of a hollow chamber in a hollow structure.
ルダ体と、そのホルダ体に保持されかつ外部加熱によっ
て発泡して発泡体となることで前記中空室を遮断する発
泡性基材とを備えた中空構造物における中空室遮断具を
製造する方法であって、 中空室の長手方向に直交しかつ周縁部に略環状の保持溝
が形成されたホルダプレートを有するホルダ体を形成す
る工程と、 押出成形用ダイから押し出された発泡性材料よりなる押
出し品を前記略環状の保持溝の溝内に嵌込んで保持する
することで発泡性基材を構成する工程とを備えている中
空構造物における中空室遮断具の製造方法。5. A holder comprising: a holder attached to a hollow chamber of a hollow structure; and a foamable base material held by the holder and foamed by external heating to form a foam, thereby blocking the hollow chamber. Forming a holder body having a holder plate having a substantially annular holding groove formed at a peripheral portion thereof at right angles to a longitudinal direction of the hollow chamber, and a method of manufacturing the hollow chamber blocking device in the hollow structure. Forming a foamable base material by fitting and holding an extruded product made of a foamable material extruded from an extrusion die in the groove of the substantially annular holding groove. Method for manufacturing a hollow chamber blocking device in the above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21090099A JP4223149B2 (en) | 1999-07-26 | 1999-07-26 | Hollow chamber breaker in hollow structure and method for producing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21090099A JP4223149B2 (en) | 1999-07-26 | 1999-07-26 | Hollow chamber breaker in hollow structure and method for producing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001030252A true JP2001030252A (en) | 2001-02-06 |
| JP4223149B2 JP4223149B2 (en) | 2009-02-12 |
Family
ID=16596941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21090099A Expired - Fee Related JP4223149B2 (en) | 1999-07-26 | 1999-07-26 | Hollow chamber breaker in hollow structure and method for producing the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4223149B2 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003532152A (en) * | 2000-05-01 | 2003-10-28 | シカ コーポレーション | Baffle and reinforcement assemblies |
| EP1666228A3 (en) * | 2004-12-01 | 2007-12-12 | Nitto Denko Corporation | Foam filling member |
| EP1975006A1 (en) * | 2007-03-28 | 2008-10-01 | Henkel AG & Co. KGaA | Sound-absorbing partition for sealing a cavity |
| WO2012143305A1 (en) | 2011-04-21 | 2012-10-26 | Zephyros Inc | Improvements in or relating to baffles |
| JP2012228987A (en) * | 2011-04-27 | 2012-11-22 | Iida Sangyo Kk | Foam filling implement, structure obtained by using the same, and filling method of foam body |
| CN1781689B (en) * | 2004-12-01 | 2013-10-16 | 日东电工株式会社 | Foam filling member |
| CN106738582A (en) * | 2016-11-25 | 2017-05-31 | 芜湖君如保温材料有限公司 | A kind of tank lid one-shot forming technique |
| CN108883795A (en) * | 2016-03-18 | 2018-11-23 | Sika技术股份公司 | Isolation element |
-
1999
- 1999-07-26 JP JP21090099A patent/JP4223149B2/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4824893B2 (en) * | 2000-05-01 | 2011-11-30 | シカ コーポレーション | Baffle and reinforcement assembly |
| JP2003532152A (en) * | 2000-05-01 | 2003-10-28 | シカ コーポレーション | Baffle and reinforcement assemblies |
| US8430375B2 (en) | 2004-12-01 | 2013-04-30 | Nitto Denko Corporation | Foam filling member |
| US7819377B2 (en) | 2004-12-01 | 2010-10-26 | Nitto Denko Corporation | Foam filling member |
| US8225569B2 (en) | 2004-12-01 | 2012-07-24 | Nitto Denko Corporation | Foam filling member |
| EP1666228A3 (en) * | 2004-12-01 | 2007-12-12 | Nitto Denko Corporation | Foam filling member |
| CN1781689B (en) * | 2004-12-01 | 2013-10-16 | 日东电工株式会社 | Foam filling member |
| WO2008116512A1 (en) * | 2007-03-28 | 2008-10-02 | Henkel Ag & Co. Kgaa | Sound-absorbing baffle for sealing a hollow space |
| EP1975006A1 (en) * | 2007-03-28 | 2008-10-01 | Henkel AG & Co. KGaA | Sound-absorbing partition for sealing a cavity |
| WO2012143305A1 (en) | 2011-04-21 | 2012-10-26 | Zephyros Inc | Improvements in or relating to baffles |
| JP2012228987A (en) * | 2011-04-27 | 2012-11-22 | Iida Sangyo Kk | Foam filling implement, structure obtained by using the same, and filling method of foam body |
| CN108883795A (en) * | 2016-03-18 | 2018-11-23 | Sika技术股份公司 | Isolation element |
| CN106738582A (en) * | 2016-11-25 | 2017-05-31 | 芜湖君如保温材料有限公司 | A kind of tank lid one-shot forming technique |
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| JP4223149B2 (en) | 2009-02-12 |
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