CN101602242B - Foam filling member - Google Patents

Foam filling member Download PDF

Info

Publication number
CN101602242B
CN101602242B CN 200910159838 CN200910159838A CN101602242B CN 101602242 B CN101602242 B CN 101602242B CN 200910159838 CN200910159838 CN 200910159838 CN 200910159838 A CN200910159838 A CN 200910159838A CN 101602242 B CN101602242 B CN 101602242B
Authority
CN
China
Prior art keywords
foamed sheet
filling member
foam filling
space
foam
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.)
Expired - Fee Related
Application number
CN 200910159838
Other languages
Chinese (zh)
Other versions
CN101602242A (en
Inventor
金原和彦
武藤慎二
西川晋平
宇井丈裕
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.)
Nitto Denko Corp
Original Assignee
Nitto Denko Corp
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
Priority claimed from JP2005299677A external-priority patent/JP4185087B2/en
Application filed by Nitto Denko Corp filed Critical Nitto Denko Corp
Publication of CN101602242A publication Critical patent/CN101602242A/en
Application granted granted Critical
Publication of CN101602242B publication Critical patent/CN101602242B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Body Structure For Vehicles (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)

Abstract

A foam filling member that can hold a foam sheet in a looped shape stably, without increasing the number of components, to provide improved vibration suppression and sound insulation. The strip-like foam sheet is formed in a looped shape by bending it, so that the end portions of the foam sheet are overlapped with each other in a thickness direction thereof to form an overlapped portion. Then, insertion shafts of a clip are inserted through the overlapped portion, so that the overlapped portion is held in sandwich relation between a base portion and a head portion to form a foam filling member. Then, a supporting portion of the fixing portion of the clip is inserted in a fixing hole of an inner panel and fixed to the inner panel. After the inner panel and an outer panel are welded, the foam filling member is foamed, cross-linked, and cured by heating in a drying line process at the baking finish, to thereby produce the foam, whereby the interior space of the pillar is filled up with the foam, leaving no space therein.

Description

Foam filling member
The application be the applicant on December 1st, 2005 submit to, application number for " 200510128814.4 ", denomination of invention divides an application for the application for a patent for invention of " foam filling member ".
Technical field
The present invention relates to be used to form the foam filling member in the space of interstitital texture body.
Background technology
All the time known, in the hollow structures such as column of automobile, in order to ensure damping property and sound-proofing, fill its inner space with foaming body.In order to form this foaming body, used foam filling member.Foam filling member is disposed in the inner space of hollow structure, forms foaming body by make its foaming from external heat, thereby fills the inner space by this foaming body.
For example, the foam filled method of the hollow sheeting below having proposed in Japanese Patent Laid-Open 2003-63443 communique: described method is in the fill area of hollow sheeting inside the not solid foamed packing material of foaming to be set, then by made the expandable filler foaming by external heat, filled the foam filled method of the hollow sheeting of inner fill area by its formed foaming body that foams, described method consists of expandable filler by the sheet foamed substrate that is rolled into web-like through strain, by being rolled into web-like, the sheet foamed substrate is disposed at inner fill area, the sheet foamed substrate is remained on inner fill area with the elastic force based on the strain of its web-like, then by making the expandable filler foamable, fill up inner fill area by its formed foaming body that foams.
But, in the foam filled method that Japanese Patent Laid-Open 2003-63443 communique is put down in writing, because the sheet foamed substrate is remained on inner fill area with the elastic force based on the strain of its web-like, so causing, the skew of sheet foamed substrate can not stably keep web-like, its result, existence can't be filled the deficiency of the fill area, inside of hollow sheeting fully reliably.
On the other hand, if in order to make the sheet foamed substrate keep web-like, with clamping part fastening sheet foamed substrate, then number of spare parts increases, and in addition, because this clamping part buries in foaming body, can produce the problem that damping property and sound-proofing descend.
In addition, in the hollow structures such as column of automobile, disclose such as Japanese patent laid-open 11-99960 communique, the structure that has 2 inner spaces (for example space between the side skeleton outside and the center pillar reinforcement and the space between center pillar reinforcement and the center pillar inboard) and these 2 inner spaces are filled with foaming body is respectively arranged.
But, in the structure that Japanese patent laid-open 11-99960 communique is put down in writing, spatial placement expandable filler that must be between the side skeleton outside and center pillar reinforcement, behind the weld side skeleton outside and the center pillar reinforcement, spatial placement expandable filler between center pillar reinforcement and center pillar inboard, welding center pillar reinforcement and center pillar are inboard.Therefore, must repeatedly repeat foam filled dose operation is set in the inner space of hollow structure, assembly operation is loaded down with trivial details.
Summary of the invention
The object of the present invention is to provide does not increase number of spare parts, just can make foamed sheet stably keep foam filling member ring-type, that can improve damping property and sound-proofing.
In addition, the present invention also aims to the foam filling member that provides assembly operation easy.
In order to achieve the above object, foam filling member of the present invention is the foam filling member that is used to form the foaming body of interstitital texture body space, it is characterized in that, possess the foamed sheet that is formed in the form of sheets by expanded material and the fixed part that is used for described foamed sheet is fixed in the space of structure, described foamed sheet forms ring-type, it is relative to make long side direction at described foamed sheet be spaced from each other the part of certain distance, described fixed part have the described foamed sheet of fastening each described part fastening section and be used for being fixed on fixed part on the structure.
In this foam filling member, can make by the fastening section of fixed part foamed sheet keep ring-type, the fixed part by fixed part is fixed on foamed sheet in the space of structure simultaneously.That is, in this foam filling member, can make foamed sheet keep ring-type by fixed part, thus number of spare parts can not increased, and make foamed sheet stably keep ring-type, thus can improve damping property and sound-proofing.
In addition, foam filling member of the present invention is the foam filling member that is used to form the foaming body of interstitital texture body space, it is characterized in that, possess the foamed sheet that is formed in the form of sheets by expanded material and the fixed part that is used for described foamed sheet is fixed in the space of structure, described foamed sheet forms ring-type, make described foamed sheet be formed on the intersection that thickness direction overlaps, described fixed part has at thickness direction and runs through the fastening section of described intersection and the described foamed sheet of fastening and be used for being fixed on fixed part on the structure.
In this foam filling member, can run through intersection at thickness direction by the fastening section of fixed part, make foamed sheet keep ring-type, the fixed part by fixed part is fixed on foamed sheet in the space of structure simultaneously.That is, in this foam filling member, can make foamed sheet keep ring-type by fixed part, thus number of spare parts can not increased, and make foamed sheet stably keep ring-type, thus can improve damping property and sound-proofing.
In addition, foam filling member of the present invention is the foam filling member that is used to form the foaming body of interstitital texture body space, it is characterized in that, possess the foamed sheet that is formed in the form of sheets by expanded material and the fixed part that is used for described foamed sheet is fixed in the space of structure, described foamed sheet forms ring-type, make its abutment portion that forms the mutual butt in two ends of described foamed sheet long side direction, described fixed part has at thickness direction and runs through respectively the fastening section of the two ends of described foamed sheet long side direction and the described foamed sheet of fastening and be used for being fixed on fixed part on the structure.
In this foam filling member, the two ends of described foamed sheet long side direction are run through respectively at thickness direction in fastening section that can be by fixed part, make foamed sheet keep ring-type, and the fixed part by fixed part is fixed on foamed sheet in the space of structure simultaneously.That is, in this foam filling member, can make foamed sheet keep ring-type by fixed part, thus number of spare parts can not increased, and make foamed sheet stably keep ring-type, thus can improve damping property and sound-proofing.
In addition, foam filling member of the present invention is the foam filling member that is used to form the foaming body of interstitital texture body space, it is characterized in that, possess the foamed sheet that is formed in the form of sheets by expanded material and the fixed part that is used for described foamed sheet is fixed in the space of structure, described foamed sheet forms ring-type, the subtend part of the spaced-apart certain distance in the two ends that make it form described foamed sheet long side direction and subtend configuration, described fixed part have at thickness direction and run through respectively the fastening section of the two ends of described foamed sheet long side direction and the described foamed sheet of fastening and be used for being fixed on fixed part on the structure.
In this foam filling member, the two ends of described foamed sheet long side direction are run through respectively at thickness direction in fastening section that can be by fixed part, make foamed sheet keep ring-type, and the fixed part by fixed part is fixed on foamed sheet in the space of structure simultaneously.That is, in this foam filling member, can make foamed sheet keep ring-type by fixed part, thus number of spare parts can not increased, and make foamed sheet stably keep ring-type, thus can improve damping property and sound-proofing.
In addition, foam filling member of the present invention is the foam filling member that is used to form the foaming body of interstitital texture body space, it is characterized in that, possesses the foamed sheet that is formed in the form of sheets by expanded material, described foamed sheet forms ring-type, make described foamed sheet form the intersection of mutual coincidence, the described thickness direction of described foamed sheet is formed for keeping the maintaining part of ring-type.
In this foam filling member, the maintaining part of intersection that can be by being formed at foamed sheet makes foamed sheet keep ring-type.Therefore, can not increase number of spare parts, and make foamed sheet stably keep ring-type, and can improve damping property and sound-proofing.
In addition, among the present invention, the crooked elastic rate of described foamed sheet is 2~180MPa preferably.
In addition, foam filling member of the present invention is the foam filling member that is used to form the foaming body of interstitital texture body space, it is characterized in that, possess the foamed sheet that is formed in the form of sheets by expanded material and the fixed part that is used for described foamed sheet is fixed in the space of structure, described foamed sheet keeps being free to slide with respect to described fixed part.
In this foam filling member, under the state in the space that foamed sheet is fixed on structure by fixed part, foamed sheet can be slided with respect to fixed part.Therefore, can slide with respect to fixed part by making foamed sheet, foamed sheet can be moved to needed fixed position, thereby assembly operation be easy.
In addition, in the foam filling member of the present invention, described fixed part has be used to the fixed part that is fixed on the structure, better be to keep described foamed sheet by described fixed part, can make this foamed sheet by the Slideslip to described fixed part, cross over a side and opposite side with respect to described fixed part.
Adopt this foam filling member, after the fixed part with fixed part is fixed on the structure, as long as make foamed sheet to a Slideslip of described fixed part, just can cross over a side and opposite side ground configuration foamed sheet with respect to fixed part.Therefore, for example under the state that fixed part is fixed on the structure, when the space of structure lays respectively at respect to a side of fixed part and opposite side, can easily foamed sheet be crossed over these disposes spatially, compare with the structure that expandable filler is separately positioned in these spaces, assembly operation is easier.
In addition, in the foam filling member of the present invention, better be in the described foamed sheet, be disposed at the part with respect to a side of described fixed part, be divided into 2 directions of intersecting with respect to glide direction.
In this foam filling member, when making foamed sheet to a Slideslip of fixed part, the part that is disposed at respect to a side of fixed part of foamed sheet stretches along 2 directions of intersecting with respect to glide direction.Therefore, can make foamed sheet enter wider zone in respect to the wide space of a side of fixed part, thereby can improve damping property and sound-proofing.
In addition, in the foam filling member of the present invention, it better is the guide part that is formed for guiding on the described fixed part, so that along with the Slideslip of described foamed sheet to described fixed part, described foamed sheet be disposed at part with respect to a side of fixed part, stretch along 2 directions of intersecting with respect to described glide direction.
In this foam filling member, when making foamed sheet to a Slideslip of fixed part, the part that is disposed at respect to a side of fixed part of foamed sheet stretches towards 2 directions of intersecting with respect to glide direction along guide part.Therefore, make foamed sheet enter easily wider zone in respect to the space of a side of fixed part, thereby assembly operation is easy.
In addition, in the foam filling member of the present invention, better be that described foamed sheet forms ring-type, make described foamed sheet form the intersection that overlaps, by to the Slideslip with respect to described fixed part, make its both end sides be disposed at a side with respect to described fixed part.
In this foam filling member, by making foamed sheet form ring-type, can make with less expanded material the core of foamed sheet occupy wider zone in respect to the space of the opposite side of fixed part, the two ends of foamed sheet are entered with respect to wider zone in the space of a side of fixed part.Therefore, can reduce the use amount of expanded material, realize the reduction of cost.
In addition, in the foam filling member of the present invention, better be to form brake at described fixed part, be used for when described foamed sheet slides to the opposite side with respect to described fixed part, engaging described intersection, limit the slip of described foamed sheet.
Adopt this foam filling member, when foamed sheet is applied external force to the opposite side with respect to fixed part, can prevent that foamed sheet from sliding, and comes off from fixed part by brake.Therefore, foamed sheet can be from not coming off from fixed part in assembly operation, and assembly operation is easy.
In addition, in the foam filling member of the present invention, described fixed part better is that the spatial separation that described fixed part is fixed on the bar structure body is on the partition wall in the 1st space and the 2nd space, so that described the 1st space is positioned at the side with respect to described fixed part, described the 2nd space is positioned at the opposite side with respect to described fixed part.
Adopt this foam filling member, be fixed in fixed part on the structure with fixed part after, as long as make foamed sheet to the Slideslip with respect to fixed part, just can cross over the 1st space and the 2nd and dispose spatially foamed sheet.Therefore, and compare with the structure that the 2nd space arranges respectively expandable filler in the 1st space, assembly operation is easier.
Description of drawings
Fig. 1 is the front view of the 1st embodiment of foam filling member of the present invention.
Fig. 2 is the oblique view of foam filling member shown in Figure 1.
Fig. 3 uses foam filling member shown in Figure 1 to fill a kind of process chart of embodiment of method of the inner space of automobile stand column, the step, (b) that has represented by (a) foam filling member to be set in column makes foam filling member foaming, the crosslinked and step of solidifying through heating, fills the operation of the inner space of column with foaming body.
Fig. 4 is the front view of the 2nd embodiment of foam filling member of the present invention.
Fig. 5 is the sectional view that foam filling member shown in Figure 4 is arranged at the state in the column.
Fig. 6 is the front view of the 3rd embodiment of foam filling member of the present invention.
Fig. 7 is the sectional view that foam filling member shown in Figure 6 is arranged at the state in the column.
Fig. 8 is the front view of the 4th embodiment of foam filling member of the present invention.
Fig. 9 is the sectional view that foam filling member shown in Figure 8 is arranged at the state in the column.
Figure 10 is the oblique view of the 5th embodiment of foam filling member of the present invention, represents the front state of each otch engaging.
Figure 11 is the oblique view of foam filling member shown in Figure 10, represents the state after each otch engaging.
Figure 12 uses foam filling member shown in Figure 11 to fill a kind of process chart of embodiment of method of the inner space of automobile stand column, the step, (b) that has represented by (a) foam filling member to be set in column makes foam filling member foaming, the crosslinked and step of solidifying through heating, fills the operation of the inner space of column with foaming body.
Figure 13 is the sectional view of the size of column used among the embodiment.
Figure 14 is the oblique view of the 6th embodiment of foam filling member of the present invention.
Figure 15 is the oblique view of the foamed sheet of the 6th embodiment, represents the front state of each otch engaging.
Figure 16 is the oblique view of the foamed sheet of the 6th embodiment, represents the state after each otch engages.
Figure 17 is the oblique view of the clamping part of the 6th embodiment.
Figure 18 is the orthographic drawing of the clamping part of the 6th embodiment, (a) is front view, (b) is plane, (c) is bottom view, (d) is right view.
Figure 19 is from state shown in Figure 14, makes the oblique view of the foam filling member under the state of foamed sheet upward sliding.
Figure 20 uses the foam filling member of the 6th embodiment to fill a kind of oblique view of embodiment of method of the inner space of automobile stand column.
Figure 21 is foam filling member shown in Figure 20 and the right side view of column.
The specific embodiment
Fig. 1 is the front view of the 1st embodiment of foam filling member of the present invention, and Fig. 2 is the oblique view of foam filling member shown in Figure 1.
In Fig. 1 and Fig. 2, this foam filling member 1 is used to form the foaming body of the inner space of space between the interstitital texture body or hollow structure, have foamed sheet 2 and, as the clamping part 3 that is used for foamed sheet 2 is fixed on the fixed part in the inner space of space between the structure or hollow structure.
Foamed sheet 2 is formed in the form of sheets by the expanded material that foams by heating (for example about 120~210 ℃).
Expanded material is not particularly limited, and can use known foaming polymer.Foaming is not particularly limited with polymer, can exemplify resins such as ethylene vinyl acetate copolymer, polyethylene, polypropylene, polyester, polyvinyl butyral, polyvinyl chloride, polyamide, polyketone, rubber such as styrene butadiene ribber (SBR), polybutadiene rubber (BR) etc.Better be to use ethylene vinyl acetate copolymer.By using ethylene vinyl acetate copolymer, can improve coefficient of foaming.These foaming can suitably be selected one kind or two or more use with in the polymer.
In addition, in order to make foaming with polymer foaming and curing, in expanded material, suitably add such as crosslinking agent, blowing agent again or add as required blowing promotor etc.
Crosslinking agent is not particularly limited, and can use for example through adding thermal decomposition, produce free radical, making the known radical initiator that forms crosslinked engaging in intermolecular or the molecule.More specifically, can exemplify for example cumyl peroxide, 1,1-di-t-butyl peroxy-3,3,5-trimethyl-cyclohexane, 2,5-dimethyl-2,5-di-t-butyl peroxy hexane, 1, the organic peroxides such as 3-two (t-butylperoxy isopropyl) benzene, t-butylperoxy ketone, t-butyl peroxybenzoate etc.
In addition, when foaming can be vulcanized with polymer, use known vulcanizing agent as crosslinking agent.Such vulcanizing agent is not particularly limited, and can enumerate such as Sulfur, sulfide, selenium, magnesia, lead monoxide, zinc oxide, polyamine class, oximes, nitroso compound, resinae, ammonium salt class etc.
In these crosslinking agents, can suitably select one kind or two or more use.In addition, the proportioning of crosslinking agent is not particularly limited, and is 0.1~10 weight portion with respect to foaming with polymer for example, preferably 0.5~7 weight portion.
In addition, when using vulcanizing agent, can use simultaneously short vulcanizing agent.Short vulcanizing agent can exemplify known short vulcanizing agents such as aminodithioformic acid class, thiazoles, guanidine class, sulfenamide, thiurams, xanthan acids, aldehyde ammonia class, aldehyde amines, Thiourea.Short vulcanizing agent like this can suitably be selected one kind or two or more use, and its proportioning is 0.1~5 weight portion with respect to foaming with polymer.
In addition, opposite with short vulcanizing agent, in order to regulate mouldability etc., also can suitably add known premature vulcanization retarders such as organic acid and amine etc.
In addition, blowing agent is not particularly limited, and can use for example known mineral-type blowing agent and organic blowing agent.The mineral-type blowing agent can exemplify such as ammonium carbonate, carbonic hydroammonium, sodium acid carbonate, ammonium nilrite, boron hydroxide sodium, nitrine class etc.
The organic blowing agent can be enumerated for example azodicarbonamide, azodicarbonic acid barium, azodiisobutyronitrile, the azo compounds such as azodicarboxy acid amide, N for example, N '-dinitrosopentamethylene tetramine, N, N '-dimethyl-N, N '-dinitrosoterephthalamine, the nitroso compounds such as trinitro-trimethyl triamine etc., 4,4 '-oxygen two (benzene sulfonyl hydrazide), unifor, 3,3 '-disulfonyl hydrazide diphenyl sulphone (DPS), the hydrazide kind compounds such as pi-allyl two (sulfohydrazide), p-methylene phenyl sulfonylsemicarbazide for example, 4, the semicarbazides compounds such as 4 '-oxygen two (benzenesulfonamido-urea), F-11 for example, the fluorinated paraffins such as Dichloromonofluoromethane, for example 5-morpholinyl-1,2, the triazole class compounds such as 3,4-thiatriazole etc.
In addition, in these blowing agents, suitably be chosen in foaming with the blowing agent that decomposes generation gas more than the softening temperature of polymer and foam hardly when the formation of foaming body described later according to forming.It better is the blowing agent that uses foaming about 120~210 ℃.
In these blowing agents, can suitably select one kind or two or more use.In addition, the proportioning of blowing agent is not particularly limited, and for example to use polymer, proportioning be 5~50 weight portions to the foaming of per 100 weight portions, preferably 10~30 weight portions.
The addition of blowing agent better is that its coefficient of foaming is about 5~25 times when foamed sheet 2 foaming, preferably about 10~20 times, in the scope of actual generation separated foam.If the addition of blowing agent is very few, then foamed sheet 2 can not fully foam, and on the other hand, if the addition of blowing agent is too much, then the drop of resin of the foaming body that obtains of foaming causes and produces the space, and fillibility all descends.
Blowing promotor is not particularly limited, can suitably select known blowing promotor according to the kind of blowing agent, more specifically, can exemplify for example urea compound take urea as main component, metal oxides such as zinc oxide, lead oxide, such as the senior aliphatic acid such as salicylic acid, stearic acid or its slaine etc.Better be to use higher fatty acid metal salt.
In these blowing promotors, can suitably select one kind or two or more use.In addition, the proportioning of blowing promotor is not particularly limited, and for example to use polymer, proportioning be 1~20 weight portion to the foaming of per 100 weight portions, preferably 5~10 weight portions.
In addition, according to purpose and purposes, in the scope of the characteristic that does not affect the foaming body that obtains, can in expanded material, suitably add for example stabilizing agent, reinforcing agent, filler, softening agent, perhaps further add as required the known additives such as plasticizer, antiaging agent, antioxidant, pigment, colouring agent, mould inhibitor, fire retardant.
Then, make foamed sheet 2, after for example first above-mentioned each composition being mixed with above-mentioned proportioning, use such as batch mixing is mixing with rolling mill, adding pressure type kneader etc., the preparation expanded material.Then, be sheet with expanded material with press or once progressive forming of calender, be sheet with extrusion shaper progressive forming perhaps.Then, by being processed into the band shape of specified width, which width, thereby obtain foamed sheet 2.
Like this, by foamed sheet 2 is configured as sheet, can be by adopting progressive forming, high efficiency, produce foamed sheet 2 at low cost.
In addition, the foamed sheet 2 that obtains like this, thickness is suitably adjusted according to the shape of structure, generally is set as 0.5~6.0mm, preferably 1.0~5.0mm.During less than 0.5mm, the inner space of the possible fully space between the interstitital texture body or hollow structure; If surpass 6.0mm, then in the narrow and small situation in the inner space of the space between the structure or hollow structure, may be difficult to install (insertion).
In addition, the crooked elastic rate of foamed sheet 2 is set as 2~180MPa, preferably 2~150MPa.By such setting, give bendability and the screen resilience of foamed sheet 2 appropriateness.Crooked elastic rate is during less than 2MPa, and foamed sheet 2 may produce lax when heating, thereby causes filling the situations such as bad.On the other hand, if crooked elastic rate surpasses 180MPa, then the resilience of foamed sheet 2 becomes excessive, the operability possible deviation when packing structure into.
Clamping part 3 is made of hard resin, and is integrally formed by injection moulding etc., has simultaneously for foamed sheet 2 being fixed on fixed part 4 in the inner space 22 and the fastening section 5 of fastening foamed sheet 2, and this fixed part 4 and fastening section 5 are an integral body.
Fixed part 4 has basal part 6, from the outstanding inboard fastening section 7 of basal part 6 and support 9, from support 9 to the outstanding outside fastening section 8 of direction towards inboard fastening section 7.
Basal part 6 forms the nearly rectangular plate shape that can carry foamed sheet 2.Inboard fastening section 7 is made of the thin slice of flexibility, in the one side of basal part 6, is from the two ends of the long side direction of basal part 6 respectively outstanding formation of " eight " word shape that the outside of basad 6 long side direction tilts.
Support 9 is in the one side of basal part 6, forms to the direction vertical with the long side direction of basal part 6 is outstanding from the middle part of the long side direction of basal part 6.
Outside fastening section 8 is made of the thin slice of flexibility, from basad 6 of the free end of support 9, is respectively outstanding formation of " eight " word shape that the outside of basad 6 long side direction tilts.Thus, the free end of each outside fastening section 8 disposes with the middle part subtend spaced apart of each inboard fastening section 7.
Fastening section 5 possesses the insertion axle outstanding from basal part 6 to the direction opposite with support 9 sides 10 and is arranged at the free-ended head 11 that inserts axle 10.Insert axle 10 and have radially elastic force for making, insert axle 10 and consisted of by 1 couple of folding parts 10A, 10B, at the another side of basal part 6, from the middle part of the long side direction of basal part 6 to direction outstanding form vertical with basal part 6.1 couple of folding parts 10A, 10B are in the subtend configuration spaced apart of the long side direction of basal part 6.
Head 11 is at the free end that inserts axle 10 (each folding parts 10A, 10B), expands around the outside of inserting axle 10 to form highlightedly.
Then, this foam filling member 1 of following formation, by making banded foamed sheet 2 bendings, form ring-type (annular), make the two ends of foamed sheet 2 long side directions in the intersection 12 of its thickness direction coincidence and formation subtend, on this intersection 12, inserted the insertion axle 10 of clamping part 3 from the inboard, lateral of annular, so that insert the thickness direction that axle 10 runs through intersection 12, it is inboard that head 11 protrudes from ring.
Thus, by this intersection 12 being clamped between the basal part 6 and head 11 of clamping part 3, foamed sheet 2 keeps ring-type by 5 fastenings of fastening section.
Then, by with support 9 insert structure bodies, with inboard fastening section 7 and outside fastening section 8 clamp structure bodies, by fixed part 4 foam filling member 1 is fixed in space between the structure or the inner space of hollow structure, after being heated to blowing temperature (for example about 120~210 ℃), by foaming, the foam filling member 1 that forms like this can be filled this space very close to each otherly.Therefore, such foam filling member 1, can be without particular limitation as such as vibration-absorptive material, acoustic material, dust-proof material, heat-barrier material, padded coaming, waterproof material etc. in the space take damping, sound insulation and dustproof, heat insulation, buffering, waterproof etc. as purpose, interstitital texture body, as the foam filling member 1 of various industrial products.
In this foam filling member 1, can run through intersection 12 at thickness direction by the fastening section 5 of clamping part 3, make foamed sheet 2 keep ring-type, by fixed part 4 foamed sheet 2 is fixed in the space of structure simultaneously.That is, this foam filling member 1 is by clamping part 3, foam filling member 1 is fixed in the structure, makes simultaneously foamed sheet 2 keep ring-type, so do not need other being used for to make foamed sheet 2 keep the parts of ring-type, can not increase number of spare parts, and make foamed sheet stably keep ring-type.Therefore, can improve damping property and sound-proofing.
And then, more specifically, if use this foam filling member 1, by foam filled hollow structure, for example the inner space of the column of automobile then can by the foaming body that forms through foaming, prevent that effectively the vibrations of engine and noise or sound of the wind etc. from importing in the compartment.
Then, the method for inner space of using this foam filling member 1 to fill the column of automobile is described referring to Fig. 3.
In the method, large young pathbreaker's foamed sheet 2 of the inner space 22 of the column 21 of at first filling corresponding to needs forms ring-types, the insertion axle 10 of fastening section 5 was inserted intersection 12, in the fastening section 5 of clamping part 3, make foamed sheet 2 fastenings and maintenance corresponding to the ring-type of the size of its inner space 22.
Then, in the method, shown in Fig. 3 (a), foam filling member 1 is set in the inner space of column 21.Column 21 has interior plate 24 and the outer panel 25 of the nearly concavity in cross section, for foam filling member 1 being arranged in the inner space of column 21, at first foam filling member 1 is fixed on the interior plate 24.
For foam filling member 1 is fixed on the interior plate 24, at first, in clamping part 3, when outside fastening section 8 being overcome its elastic force bending towards support 9, the support 9 of fixed part 4 was outwards inserted the fixing hole 26 of getting at the assigned address of interior plate 24 in the side from the medial surface of interior plate 24 (face relative with outer panel 25).Make outside fastening section 8 and support 9 be exposed to together the lateral surface of fixing hole 26.
Then, outside fastening section 8 restores to the original state by its elastic force, leaves support 9, and elasticity is pressed on the lateral surface of interior plate 24.On the other hand, inboard fastening section 7 inserted at support 9 that elasticity is pressed on the medial surface of interior plate 24 under the state of fixing hole 26.That is, interior plate 24 when support 9 was inserted fixing hole 26, the inboard fastening of quilt section 7 and 8 clampings of outside fastening section near this fixing hole 26.Thus, the fixed part 4 of clamping part 3 is fixed on the interior plate 24.
Then, the flange portion at outer panel 25 two ends is docked with the interior plate 24 that is fixed with foam filling member 1, pass through solder joints.Thus, foam filling member 1 is fixed in the inner space 22 as the sealing surface of column 21.
Then, in the method, after the inner surface of column 21 carries out antirust processing, shown in Fig. 3 (b), heating (for example 110~190 ℃) in the drying line operation when for example utilizing baking vanish thereafter makes foam filling member 1 foaming, crosslinked and solidify, form foaming body 23, fill the inner space 22 of column 21 by this foaming body 23 very close to each otherly.
The shape of foaming body 23, setting position, configuration direction and configuration quantity etc. are according to the suitably selections such as shape of column 21.In addition, more specifically, column 21 can be as front column, heel post or the rear column of vehicle body.
In addition, the density of the foaming body 23 (volume (cm of the weight of foaming body (g)/foaming body 3)) 0.04~0.2g/cm for example preferably 3, 0.05~0.1g/cm more preferably 3, in addition, preferably 5~25 times of the coefficient of foaming during foaming, more preferably 10~20 times.
In such foam filling member 1, can make foamed sheet 2 remain in advance ring-type corresponding to the size of the inner space 22 of column 21 by clamping part 3, so foamed sheet 2 stably can be configured in the inner space 22 of column 21 with optimal size.Thus, can not can because the skew of foamed sheet 2 can't keep ring-type, can stably make foamed sheet 2 foaming with optimal size, thereby can pass through foaming body 23, reliably and stably, seamlessly fill inner space 22.
Fig. 4 is the front view of the 2nd embodiment of foam filling member of the present invention, and Fig. 5 is the sectional view that foam filling member shown in Figure 4 is arranged at the state in the column.In Fig. 4 and Fig. 5, be marked with identical symbol for the parts identical with above-mentioned parts, and omit its explanation.
In the foam filling member 1 of the 1st embodiment, foamed sheet 2 forms ring-type, make the two ends of the long side direction of foamed sheet 2 overlap and form the intersection 12 of subtend at its thickness direction, pass this intersection 12 by the insertion axle 10 with clamping part 3 at thickness direction simultaneously, make foamed sheet 2 keep ring-type by clamping part 3, but also can not form intersection 12, and by for example shown in the 2nd embodiment of Fig. 4, foamed sheet 2 forms ring-type, make the mutual subtend in two ends of foamed sheet 2 long side directions and form the abutment portion 15 of butt, simultaneously with each folding parts 10A of the insertion axle 10 of clamping part 3,10B passes respectively each end of foamed sheet 2 long side directions at thickness direction, thereby makes foamed sheet 2 keep ring-type by clamping part 3.
Namely, in the foam filling member 1 shown in Figure 4, at first by making banded foamed sheet 2 bendings, form ring-type (annular), make the mutual subtend in two ends of foamed sheet 2 long side directions and form the abutment portion 15 of butt, each folding parts 10A, 10B of the insertion axle 10 of clamping part 3 inserted respectively each end of foamed sheet 2 long side directions of this butt from the inboard, lateral of annular, each folding parts 10A, 10B run through the thickness direction of each end, and the head 11 of each folding parts 10A, 10B forms highlightedly in the inboard difference of ring.
Thus, be clamped between the basal part 6 and each head 11 of clamping part 3 by each end with foamed sheet 2 long side directions, foamed sheet 2 keeps ring-type by 5 fastenings of fastening section.
And then, by with support 9 insert structure bodies, with inboard fastening section 7 and outside fastening section 8 clamp structure bodies, by fixed part 4 foam filling member 1 is fixed in space between the structure or the inner space of hollow structure, after being heated to blowing temperature (for example about 120~210 ℃), by foaming, the foam filling member 1 of the 2nd embodiment that forms so also can be filled this space very close to each otherly, with similarly above-mentioned, can be as for example vibration-absorptive material, acoustic material, dust-proof material, heat-barrier material, padded coaming, waterproof materials etc. are as the foam filling member 1 of various industrial products.
In this foam filling member 1, can run through by the fastening section 5 of clamping part 3 each end of the long side direction of foamed sheet 2 at thickness direction, make foamed sheet 2 keep ring-type, by fixed part 4 foamed sheet 2 is fixed in the space of structure simultaneously.That is, in this foam filling member 1, by clamping part 3, foam filling member 1 is fixed in the structure, makes simultaneously foamed sheet 2 keep ring-type, so do not need other being used for to make foamed sheet 2 keep the parts of ring-type, can not increase number of spare parts, and make foamed sheet 2 stably keep ring-type.Therefore, can improve damping property and sound-proofing.
Again more specifically, if use this foam filling member 1, for example, as shown in Figure 5, large young pathbreaker's foamed sheet 2 of the inner space 22 of the column 21 of filling corresponding to needs forms ring-types, each folding parts 10A with the insertion axle 10 of fastening section 5,10B inserted respectively each end of foamed sheet 2 long side directions, then, in the inner space of column 21 with above-mentioned foam filling member 1 similarly is set after, heating (for example 110~190 ℃) in the drying line operation when utilizing baking vanish for example makes the foam filling member foaming, crosslinked and solidify, form foaming body, then by this foaming body, can with similarly above-mentioned, fill the inner space 22 of column 21 very close to each otherly.
Fig. 6 is the front view of the 3rd embodiment of foam filling member of the present invention, and Fig. 7 is the sectional view that foam filling member shown in Figure 6 is arranged at the state in the column.In Fig. 6 and Fig. 7, be marked with identical symbol for the parts identical with above-mentioned parts, and omit its explanation.
In addition, also can be by for example shown in the 3rd embodiment of Fig. 6, foamed sheet 2 forms ring-type, make the spaced-apart certain distance in two ends of foamed sheet 2 long side directions and form the subtend part 16 that subtend disposes, simultaneously each folding parts 10A, 10B of the insertion axle 10 of clamping part 3 passed respectively each end of foamed sheet 2 long side directions at thickness direction, thereby make foamed sheet 2 keep ring-types by clamping part 3.
Namely, in the foam filling member 1 shown in Figure 6, at first by making banded foamed sheet 2 bendings, form ring-type (annular), make the spaced-apart certain distance in two ends of foamed sheet 2 long side directions and form the subtend part 16 that subtend disposes, each folding parts 10A, 10B of the insertion axle 10 of clamping part 3 inserted respectively each end of foamed sheet 2 long side directions of this subtend configuration from the inboard, lateral of annular, each folding parts 10A, 10B run through the thickness direction of each end, and the head 11 of each folding parts 10A, 10B forms highlightedly in the inboard difference of ring.
Thus, be clamped between the basal part 6 and each head 11 of clamping part 3 by each end with foamed sheet 2 long side directions, foamed sheet 2 keeps ring-type by 5 fastenings of fastening section.
Then, by with support 9 insert structure bodies, with inboard fastening section 7 and outside fastening section 8 clamp structure bodies, by fixed part 4 foam filling member 1 is fixed in space between the structure or the inner space of hollow structure, after being heated to blowing temperature (for example about 120~210 ℃), by foaming, the foam filling member 1 of the 3rd embodiment that forms so also can be filled this space very close to each otherly, with similarly above-mentioned, can be as for example vibration-absorptive material, acoustic material, dust-proof material, heat-barrier material, padded coaming, waterproof materials etc. are as the foam filling member 1 of various industrial products.
In this foam filling member 1, can run through by the fastening section 5 of clamping part 3 each end of the long side direction of foamed sheet 2 at thickness direction, make foamed sheet 2 keep ring-type, by fixed part 4 foamed sheet 2 is fixed in the space of structure simultaneously.That is, this foam filling member 1 is by clamping part 3, foam filling member 1 is fixed in the structure, makes simultaneously foamed sheet 2 keep ring-type, so do not need other being used for to make foamed sheet 2 keep the parts of ring-type, can not increase number of spare parts, and make foamed sheet 2 stably keep ring-type.Therefore, can improve damping property and sound-proofing.
Again more specifically, if use this foam filling member 1, for example, as shown in Figure 6, large young pathbreaker's foamed sheet 2 of the inner space 22 of the column 21 of filling corresponding to needs forms ring-types, each folding parts 10A with the insertion axle 10 of fastening section 5,10B inserted respectively each end of foamed sheet 2 long side directions, then, in the inner space of column 21 with above-mentioned foam filling member 1 similarly is set after, heating (for example 110~190 ℃) in the drying line operation when utilizing baking vanish for example makes the foam filling member foaming, crosslinked and solidify, form foaming body, then by this foaming body, can with similarly above-mentioned, fill the inner space 22 of column 21 very close to each otherly.
Fig. 8 is the front view of the 4th embodiment of foam filling member of the present invention, and Fig. 9 is the sectional view that foam filling member shown in Figure 8 is arranged at the state in the column.In Fig. 8 and Fig. 9, be marked with identical symbol for the parts identical with above-mentioned parts, and omit its explanation.
In addition, also can be by for example shown in the 4th embodiment of Fig. 8, be the shape of nearly " コ " word shape with the fastening section 5 of clamping part 3 and basal part 6 together Formation cross-section, by the intersection 12 of this fastening section 5 at thickness direction clamping foamed sheet 2, thereby make foamed sheet 2 keep ring-type by clamping part 3.
Namely, in the foam filling member 1 shown in Figure 8, the fastening section 5 of clamping part 3 does not have the axle 10 of insertion and head 11, but have from an end of the vertical direction of the long side direction of basal part 6 sidewall 17 towards the outstanding nearly rectangular plate shape of the direction opposite with support 9 sides, with extended from the upper end of this sidewall 17, with the upper wall 18 of the nearly rectangular plate shape of basal part 6 subtends configuration separated by a distance, upper wall 18 and sidewall 17 are an integral body.And, also as the free end of this upper wall 18, relative with basal part 6 surface, be provided with the claw section 19 of basad the 6 outstanding nearly triangle in cross section.
Then, in this foam filling member 1, at first by making banded foamed sheet 2 bendings, form ring-type, make the two ends of foamed sheet 2 long side directions in the intersection 12 of its thickness direction coincidence and formation subtend, then on this intersection 12 outside the width of foamed sheet 2 inlay card bonding part 5, with the claw section 19 of upper wall 18 and basal part 6 in thickness direction clamping intersection 12.
Thus, by this intersection 12 being clamped between the basal part 6 and upper wall 18 of clamping part 3, foamed sheet 2 keeps ring-type by 5 fastenings of fastening section.
Then, by with support 9 insert structure bodies, with inboard fastening section 7 and outside fastening section 8 clamp structure bodies, by fixed part 4 foam filling member 1 is fixed in space between the structure or the inner space of hollow structure, after being heated to blowing temperature (for example about 120~210 ℃), by foaming, the foam filling member 1 of the 4th embodiment that forms so also can be filled this space very close to each otherly, with similarly above-mentioned, can be as for example vibration-absorptive material, acoustic material, dust-proof material, heat-barrier material, padded coaming, waterproof materials etc. are as the foam filling member 1 of various industrial products.
In this foam filling member 1, can pass through the fastening section 5 of clamping part 3 in the intersection 12 of thickness direction clamping foamed sheet 2, make foamed sheet 2 keep ring-types, by fixed part 4 foamed sheet 2 is fixed in the space of structure simultaneously.Namely, this foam filling member 1 is fixed on foam filling member 1 in the structure by clamping part 3, makes simultaneously foamed sheet 2 keep ring-type, so do not need other being used for to make foamed sheet 2 keep the parts of ring-type, can not increase number of spare parts, and make foamed sheet 2 stably keep ring-type.Therefore, can improve damping property and sound-proofing.
Again more specifically, if use this foam filling member 1, for example, as shown in Figure 9, the size of the inner space 22 of the column 21 of filling corresponding to needs makes foamed sheet 2 form ring-types, with the intersection 12 usefulness fastening sections 5 of foamed sheet 2 from the thickness direction clamping, then, in the inner space of column 21 with above-mentioned foam filling member 1 similarly is set after, heating (for example 110~190 ℃) in the drying line operation when utilizing baking vanish for example makes the foam filling member foaming, crosslinked and solidify, form foaming body, then by this foaming body, can with similarly above-mentioned, fill the inner space 22 of column 21 very close to each otherly.
Figure 10 is the oblique view of the 5th embodiment of foam filling member of the present invention, represents the state before the engaging of each otch, and Figure 11 is the oblique view of foam filling member shown in Figure 10, represents the state after each otch engaging.
In the above explanation, by the intersection 12 with the fastening section 5 fastening foamed sheets 2 of clamping part 3, make foamed sheet 2 keep ring-type, but the also foam filling member 1 shown in the 5th embodiment of Figure 10 and Figure 11 for example, be provided as the holding section 13 of maintaining part from it at foamed sheet 2, and do not need fastening section 5 fastenings by clamping part 3.
Namely, as shown in figure 10, part in the formation intersection 12 described later at the two ends of foamed sheet 2 long side directions, by each other opposition side incision from the width direction, form respectively along width (direction vertical with long side direction) and switch to half dark otch 14, be formed with the part of these otch 14 as holding section 13.
Then, by with similarly above-mentioned, make banded foamed sheet 2 bendings, form ring-type (annular), the two ends that make foamed sheet 2 long side directions are overlapping and form intersection (cross section) 12 at its crossover location, by making the otch 14 that is formed at this intersection 12, as shown in figure 11, mutually chimeric, engaging, thus this foam filling member 1 formed.
Thus, because the engaging of each otch 14 by this intersection 12 interfixes, so foamed sheet 2 keeps ring-types.
Then, the foam filling member 1 that forms like this, make it be crimped on structure by the elastic force of utilizing foamed sheet 2, be fixed in space between the structure or the inner space of hollow structure, after being heated to blowing temperature (for example about 120~210 ℃), by foaming, can fill this space very close to each otherly.Therefore, such foam filling member 1, also can be without particular limitation as such as vibration-absorptive material, acoustic material, dust-proof material, heat-barrier material, padded coaming, waterproof material etc. in the space take damping, sound insulation and dustproof, heat insulation, buffering, waterproof etc. as purpose, interstitital texture body, as the foam filling member 1 of various industrial products.
In this foam filling member 1, can make by the holding section 13 on the intersection 12 that is formed at foamed sheet 2 foamed sheet 2 keep ring-type.Therefore, do not need other being used for to make foamed sheet 2 keep the parts of ring-type, can not increase number of spare parts, and make foamed sheet stably keep ring-type.Therefore, can improve damping property and sound-proofing.
If use this foam filling member 1, by foam filled hollow structure, for example the inner space of the column of automobile then by the foaming body through foaming formation, can prevent effectively that the vibrations of engine and noise or sound of the wind etc. from importing in the compartment.
Then, the method for inner space of using this foam filling member 1 to fill the column of automobile is described referring to Figure 12.Among Figure 12, be marked with identical symbol for the parts identical with above-mentioned parts, and omit its explanation.
In the method, large young pathbreaker's foamed sheet 2 of the inner space 22 of the column 21 of at first filling corresponding to needs forms ring-types, by in intersection (cross section) 12 each otch 14 being engaged mutually, the ring-type that foamed sheet 2 is kept corresponding to the size of this inner space 22.
Then, in the method, shown in Figure 12 (a), foam filling member 1 is set in the inner space of column 21.
For foam filling member 1 being arranged in the inner space 22 of column 21, in the inner space 22 of the sealing surface that is formed by the interior plate 24 that is welded to each other and outer panel 25, thereby foamed sheet 2 is fixed by the inner surface that utilizes its elastic force to be crimped on column 21.
Then, in the method, after the inner surface of column 21 carries out antirust processing, shown in Figure 12 (b), heating (for example 110~190 ℃) in the drying line operation when for example utilizing baking vanish thereafter makes foam filling member foaming, crosslinked and solidify, form foaming body 23, fill the inner space 22 of column 21 by this foaming body 23 very close to each otherly.
In such foam filling member 1, can make foamed sheet 2 remain in advance ring-type corresponding to the size of the inner space 22 of column 21 by foamed sheet 2 self set holding section 13, so foamed sheet 2 stably can be configured in the inner space 22 of column 21 with optimal size.Therefore, can not can because the skew of foamed sheet 2 can't keep ring-type, can stably make foamed sheet 2 foaming with optimal size, thereby can pass through foaming body 23, reliably and stably, seamlessly fill inner space 22.
In the above-mentioned explanation, on intersection 12, switch to half dark otch 14 by broad ways and form holding section 13, as long as but can be at the fixing foamed sheet 2 of the intersection 12 of foamed sheet 2, holding section 13 is not limited to above-mentioned form, also can be for example at the two ends of foamed sheet 2 long side directions, and a side forms darker otch 14, and another side does not form otch 14, can also form the otch 14 of a plurality of mutual engagings.
Figure 14 is the oblique view of the 6th embodiment of foam filling member of the present invention.Among Figure 14, respectively forward right side, left rear side, front left side, right lateral side are described (same among Figure 17) as the place ahead, rear, left side, right side.
Among Figure 14, this foam filling member 1 is used to form the foaming body of the inner space of space between the interstitital texture body or hollow structure, has foamed sheet 2 and is used for foamed sheet 2 is fixed in the fixed part clamping part 3 of the inner space of space between the structure or hollow structure.
Figure 15 is the oblique view of the foamed sheet of the 6th embodiment, represents the front state of each otch engaging.Figure 16 is the oblique view of the foamed sheet 2 of the 6th embodiment, represents the state after each otch engages.
Foamed sheet 2 is with above-mentioned identical, and the sheet that is strip by the expanded material through heating (for example about 120~210 ℃) foaming forms.
Also have the thickness of foamed sheet 2, the foamed sheet 2 of the 6th embodiment generally is set as 0.5~6.0mm, preferably 1.5~3.5mm.
In addition, as shown in figure 15, in the foamed sheet 2 of the 6th embodiment, with the foamed sheet 2 of the 5th embodiment similarly, part in the formation intersection 12 described later at the two ends of foamed sheet 2 long side directions, each other opposition side incision by from the width direction forms respectively along width (direction vertical with long side direction) and switches to half dark otch 14, is formed with the part of these otch 14 as holding section 13.
Then, by making this foamed sheet 2 bendings, form ring-type, the two ends that make foamed sheet 2 long side directions are overlapping and form intersection (cross section) 12 at its crossover location, to be formed at the otch 14 of this intersection 12, as shown in figure 16, mutually chimeric, engaging.Thus, the engaging of each otch 14 by this intersection 12 interfixes, and foamed sheet 2 keeps ring-types.Under the state that each otch 14 with foamed sheet 2 engages, form annulus 31 in relative intersection 12 nearly center side, form free ends 32 in relative intersection 12 nearly both end sides.
In the above description, on intersection 12, switch to half dark otch 14 by broad ways and form holding section 13, but identical with the foamed sheet 2 of the 5th embodiment, as long as can be at the fixing foamed sheet 2 of the thickness direction of foamed sheet 2, holding section 13 be not limited to above-mentioned form, also can be for example at the two ends of foamed sheet 2 long side directions, one side forms darker otch 14, and another side does not form otch 14, can also form the otch 14 of a plurality of mutual engagings.
Figure 17 is the oblique view of the clamping part of the 6th embodiment.Figure 18 is the orthographic drawing of the clamping part of the 6th embodiment, (a) is front view, (b) is plane, (c) is bottom view, (d) is right view.
In Figure 17 and Figure 18, clamping part 3 is made of hard resin, and is integrally formed with symmetrical shape by injection moulding etc., has for foamed sheet 2 being fixed on fixed part 4 in the inner space 22 and the fastening section 5 of fastening foamed sheet 2.
Fixed part 4 has basal part 36, from the outstanding inboard fastening section 37 of basal part 36 and support 39, from support 39 to the outstanding outside fastening section 38 of direction towards inboard fastening section 37.
Basal part 36 forms the tabular of nearly rectangle that direction to the left and right extends.Inboard fastening section 37 is made of the thin slice of flexibility, is respectively outstanding formation the to oblique below of " eight " word shape of tilting from the outside of basad 36 long side directions in upper end at the two ends of basal part 36 long side directions.Support 39 is from outstanding formation the in the outside of basad 36 long side directions in upper end at the two ends of basal part 36 long side directions.Outside fastening section 38 is made of the thin slice of flexibility, is " eight " word shape that tilts from the outside of basad 36 long side directions of the free end of support 39, respectively obliquely upward outstanding formation.Thus, the free end of each inboard fastening section 37 is spaced apart relative with the middle part of each outside fastening section 38.
Fastening section 5 possess nearly " U " word shape that its two ends and 2 supports 39 engage respectively maintaining part, connect each front end of 2 supports 39 front clamp section 41, connect the rear clamping part 42 of each rear end of 2 supports 39.In the plan view, form respectively certain interval (for example interval approaching with the thickness of foamed sheet 2) between the front surface of front clamp section 41 and basal part 36 and between the rear surface of rear clamping part 42 and basal part 36.
Maintaining part 40 has from 2 supports 39 distinguishes the left plate 43 of extension downwards and the lower side panel 45 of right plate 44 and the lower end that is connected these left plates 43 and right plate 44.On the face of the subtend of left plate 43 and right plate 44, form respectively side-prominent protrusion tab 46 in the relative direction in the nearly middle part of their above-below directions.Each protrusion tab 46 is made of the thin plate of flexibility, has towards overlooking of relative direction front end receipts point to be nearly leg-of-mutton shape, and is spaced apart between these front ends.
By making banded foamed sheet 2 bendings, form ring-type, make the two ends of foamed sheet 2 long side directions in the intersection 12 of its thickness direction coincidence and formation subtend, this intersection 12 is disposed in the space of the nearly rectangle that maintaining part 40 and fixed part 4 with clamping part 3 surround, with the free end 32 of a side of the front surface clamping foamed sheet 2 of front clamp section 41 and basal part 36 and when keeping being free to slide, with the free end 32 of the opposite side of the rear surface clamping foamed sheet 2 of rear clamping part 42 and basal part 36 and keep being free to slide, thereby form this foam filling member 1 (referring to Figure 14).
In addition, in this foam filling member 1, as shown in figure 14, the intersection 12 of foamed sheet 2 is disposed in the lower side panel 45 and the space between the protrusion tab 46 of maintaining part 40 of clamping part 3.Thus, during foamed sheet 2 downward Slideslip, the lower side panel 45 of clamping part 3 blocks the intersection 12 of foamed sheet 2, becomes the brake for the slip of restriction foamed sheet 2.
If from state shown in Figure 14 foamed sheet 2 is slided upward, then the free end 32 of a side of foamed sheet 2 is by sliding upward between the front surface of front clamp section 41 and basal part 36, and the free end 32 of the opposite side of foamed sheet 2 is by sliding upward between the rear surface of rear clamping part 42 and basal part 36.Meanwhile, as shown in figure 19, the intersection 12 of foamed sheet 2 is crossed each protrusion tab 46 of clamping part 3, enters in the space between fixed part 4 and the protrusion tab 46, touches the lower edge of basal part 36.
At this moment, the free end 32 of a side of foamed sheet 2 is Slideslip forward, and the free end 32 of the opposite side of foamed sheet 2 moves backward.That is, 2 free ends 32 of foamed sheet 2 are divided into 2 directions that the relative sliding direction is intersected, and when foamed sheet 2 was slided upward, each free end 32 of foamed sheet 2 slided along 2 directions that the relative sliding direction is intersected.
On the basal part 36 of clamping part 3, be formed with respectively 2 as the jut 47 of guide part in its front surface and rear surface.Each jut 47 is regarded the general triangular shape from the side as, has one fixed width on the left and right directions.Be formed at 2 juts 47 configuration separated by a distance on left and right directions of the front surface of basal part 36, and the left and right sides lateral margin of the free end 32 of a side of the foamed sheet 2 that slides is slidingly connected between the front surface of front clamp section 41 and basal part 36.Be formed at 2 juts 47 configuration separated by a distance on left and right directions of the rear surface of basal part 36, and the left and right sides lateral margin of the free end 32 of the opposite side of the foamed sheet 2 that slides is slidingly connected between the rear surface of rear clamping part 42 and basal part 36.Thus, along with foamed sheet 2 slides upward, its free end 32 is by each jut 47 guiding, and 2 directions of intersecting to the relative sliding direction stretch.
In the foam filling member 1 of the 6th embodiment that forms as mentioned above, by with fixed part 4 insert structure bodies, with inboard fastening section 37 and outside fastening section 38 clamp structure bodies, foam filling member 1 can be fixed in the inner space of space between the structure or hollow structure by fixed part 4.And then, slide by making the relative fixed parts 4 of foamed sheet 2, can make foamed sheet 2 across in the space that is formed at respect to a side of the structure that has filled fixed part 4 and opposite side.
After foamed sheet 2 being heated to blowing temperature (for example about 120~210 ℃), through foaming, can fill 2 spaces of this foamed sheet 2 of configuration very close to each otherly.Therefore, the foam filling member 1 of the 6th embodiment like this, also can be without particular limitation as such as vibration-absorptive material, acoustic material, dust-proof material, heat-barrier material, padded coaming, waterproof material etc. in the space take damping, sound insulation and dustproof, heat insulation, buffering, waterproof etc. as purpose, interstitital texture body, as the foam filling member 1 of various industrial products.
Again more specifically, if use the foam filling member 1 of the 6th embodiment, by foam filled hollow structure, the inner space of the column of automobile for example, then the foaming body by forming through foaming can prevent effectively that the vibrations of engine and noise or sound of the wind etc. from importing in the compartment.
Figure 20 uses the foam filling member of the 6th embodiment to fill a kind of oblique view of embodiment of method of the inner space of automobile stand column.Figure 21 is foam filling member shown in Figure 20 and the right side view of column.
The method of inner space 22 of then, the foam filling member 1 that uses the 6th embodiment being filled the column 21 of automobile describes referring to Figure 20 and Figure 21.In Figure 20 and Figure 21, understand in order to make visually easily, only illustrate part that foam filling member 1 is installed in the column 21 around, other parts of having omitted column 21.
This foam filling member 1 is applicable to for example have the column 21 of dual structure, described structure possess the interior plate 51 of tubular and be disposed at these interior plate 51 outsides, and interior plate 51 between form the outer panel 52 in the space of appointment.In such column 21, as inner space 22, have the 1st space 22A that is formed between interior plate 51 and the outer panel 52 and the 2nd space 22B that is formed at interior plate 51 inside.Face the part of outer panel 52 in the interior plate 51 as the partition wall 53 of separating the 1st space 22A and the 2nd space 22B.
In the method, large young pathbreaker's foamed sheet 2 of the inner space 22 (the 1st space 22A and the 2nd space 22B) of the column 21 of at first filling corresponding to needs forms ring-types, as shown in figure 14, the intersection 12 of foamed sheet 2 is disposed in the lower side panel 45 and the space between the protrusion tab 46 of maintaining part 40 of clamping part 3, simultaneously with the free end 32 of a side of the front surface clamping foamed sheet 2 of front clamp section 41 and basal part 36 and keep being free to slide, be free to slide with free end 32 and the maintenance of the opposite side of the rear surface clamping foamed sheet 2 of rear clamping part 42 and basal part 36.
Then, in the method, foam filling member 1 is set in the inner space of column 21.For foam filling member 1 being arranged in the inner space of column 21, at first foam filling member 1 is fixed on the interior plate 51.Namely, in clamping part 3, when the free end with inboard fastening section 37 overcomes its elastic force and bends towards basal part 36, with fixed part 4 from the inboard of interior plate 51 laterally (outer panel 52 1 sides) inserted the fixing hole 54 of getting at the partition wall 53 of interior plate 51.Then, the outside that makes the top of inboard fastening section 37 and basal part 36 expose together fixing hole 54.Then, inboard fastening section 37 restores to the original state by its elastic force, and its free end leaves basal part 36, and elasticity is connected to the lateral surface of interior plate 51.On the other hand, outside fastening section 38 inserted under the state of fixing hole 54 the medial surface Elastic Contact with interior plate 51 at basal part 36.That is, interior plate 51 when basal part 36 was inserted fixing hole 54, the inboard fastening of quilt section 37 and 38 clampings of outside fastening section near this fixing hole 26.Thus, the fixed part 4 of clamping part 3 is fixed on the interior plate 51.
Then, in the method, slide upward by making foamed sheet 2, such as Figure 20 and shown in Figure 21, make the intersection 12 of foamed sheet 2 cross each protrusion tab 46 of clamping part 3, enter in the space between fixed part 4 and the protrusion tab 46, touch the lower edge of basal part 36.Thus, the free end 32 of a side of foamed sheet 2 is by sliding upward between the front surface of front clamp section 41 and basal part 36, and the free end 32 of the opposite side of foamed sheet 2 is by sliding upward between the rear surface of rear clamping part 42 and basal part 36 simultaneously.At this moment, 2 free ends 32 of foamed sheet 2, shown in the double dot dash line among Figure 19, jut 47 guiding by clamping part 3 are " eight " word shape and stretch.And if foamed sheet 2 is further slided, then each free end 32 top is to outer panel 52, and shown in the solid line of Figure 19, the front of each free end 32 is crooked, thereby near ring part 31 sides.
Like this, be arranged in the 1st space 22A with respect to a side of fixed part 4, each free end 32 of configuration foamed sheet 2, each free end 32 stretches along opposite direction, and be arranged in the 2nd space 22B that is positioned at opposite side with respect to fixed part 4, dispose the ring part 31 of foamed sheet 2.Under this state, form foamed sheet 2 across the state of the 1st space 22A and the 2nd space 22B.
Interior plate 51 also can form tubular by for example engaging 2 choristas.In this case, foam filling member 1 can be fixed on the fixing hole 54 that is formed at a chorista after, this chorista is docked, by joints such as welding with another chorista.
Outer panel 52 can pass through the joints such as welding such as the lateral surface with respect to interior plate 51, and the position of its whole medial surface is determined at the interval that also can separate with the whole lateral surface of interior plate 51 appointment, makes it surround whole interior plate 51.
Then, in the method, after the inner surface of column 21 carries out antirust processing, heating (for example 110~190 ℃) in the drying line operation when for example utilizing baking vanish thereafter makes foam filling member 1 foaming, crosslinked and solidify, form foaming body, fill the 1st space 22A and the 2nd space 22B of column 21 by this foaming body very close to each otherly.
In the foam filling member 1 of the 6th embodiment, under the state in the space of foamed sheet 2 being fixed in column 21 structures such as grade by clamping part 3, foamed sheet 2 relative clamping parts 3 are slided.Therefore, slide by making foamed sheet 2 relative clamping parts 3, can make foamed sheet 2 move to required fixed position, so assembly operation is easy.
In addition, in the foam filling member 1 of the 6th embodiment, after being fixed on the fixed part 4 of clamping part 3 on column 21 structures such as grade, as long as foamed sheet 2 is slided to the side (top) with respect to fixed part 4, just foamed sheet 2 can be configured to across the 1st space 22A and the 2nd space 22B.Therefore, compare with the structure of the 2nd space 22B with expanded material being arranged at respectively the 1st space 22A, assembly operation is easier.
In addition, in the foam filling member 1 of the 6th embodiment, make foamed sheet 2 when sliding with respect to the side (the 1st space 22A one side) of fixed part 4, the free end 32 of foamed sheet 2 slides along 2 directions of intersecting with respect to glide direction.Therefore, can make foamed sheet 2 enter (in the 1st space 22A) wider zone in the space with respect to a side of fixed part 4, so can improve damping property and sound-proofing.
And, in the foam filling member 1 of the 6th embodiment, make foamed sheet 2 when sliding with respect to the side (the 1st space 22A one side) of fixed part 4, each free end 32 of foamed sheet 2 stretches to 2 directions of intersecting with respect to glide direction along the protuberance (guide part) 47 of clamping part 3.Therefore, foamed sheet 2 can easily enter zone wider in the space with respect to a side of fixed part 4 (in the 1st space 22A), so assembly operation is easy.
And, in the foam filling member 1 of the 6th embodiment, by making foamed sheet 2 form ring-type, can be with less expanded material, making the middle part of foamed sheet 2 occupy wider zone in the space (the 2nd space 22B) with respect to the opposite side of fixed part 4, is that the two ends of foamed sheet 2 enter wider zone (in the 1st space 22A) in the space with respect to fixed part 4 one sides simultaneously.Therefore, the use amount of expanded material can be reduced, the reduction of cost can be realized.
In addition, in the foam filling member 1 of the 6th embodiment, can make foamed sheet 2 remain in advance the ring-type of the size of the inner space 22 (the 1st space 22A and the 2nd space 22B) corresponding to column 21 by clamping part 3, so foamed sheet 2 stably can be configured in the inner space 22 of column 21 with optimal size.Therefore, can not can because the skew of foamed sheet 2 can't keep ring-type, can stably make foamed sheet 2 foaming with optimal size, thereby can pass through foaming body, reliably and stably, seamlessly fill inner space 22.
In addition, the foam filling member 1 of the 6th embodiment is in assembly operation, when to the opposite side (downside) with respect to fixed part 4 foamed sheet 2 being applied external force, can prevent that foamed sheet 2 from sliding, and comes off from clamping part 3 by lower side panel (brake) 45.Therefore, in the assembly operation, foamed sheet 2 can not come off from clamping part 3, and assembly operation is easy.
The foam filling member 1 of the 6th embodiment is not limited to the content of an above-mentioned embodiment, for example, so long as foamed sheet 2 maintenances are not limited to the formation ring-type with respect to the structure that clamping part 3 is free to slide, also can form other shape.
In addition, the foam filling member 1 of the 6th embodiment is not limited to the column 21 with dual structure, the foaming body of the inner space of filling the column with other shapes can be used to form, the foaming body of the inner space of space between other structures of filling except column or hollow structure can also be used to form.
Embodiment
Below exemplify embodiment, further the present invention is described in detail, but the present invention is not limited to any embodiment.
1) making of foam filling member
In the prescription shown in the table 1, mixed foaming is with polymer, crosslinking agent and each composition of blowing agent, by with the batch mixing rolling mill, under 110 ℃ temperature, with 20min -1Rotating speed mixing, the preparation expanded material.Then, with expanded material with hot press 110 ℃ of lower press moldings 1 minute, form the sheet of thick 5mm.Be cut into the band shape of long 175mm * wide 15mm, obtain the foamed sheet of embodiment 1~6.The crooked elastic rate of the foamed sheet of each embodiment is as shown in table 1.
Then, be bent to form ring-type by the foamed sheet with each embodiment, make the two ends of foamed sheet long side direction in the intersection of its thickness direction coincidence and formation subtend, in this intersection, inserted the clamping part that is consisted of by nylon from the inboard, lateral of annular, make its thickness direction that runs through intersection, obtain thus the foam filling member of each embodiment.
This foam filling member is equivalent to the foam filling member of above-mentioned the 1st embodiment.
2) foam filling member is in installation and the foaming of column
The foam filling member of each embodiment obtained above is respectively installed to by clamping part in the inner space of column of size shown in Figure 13, then by foam filled inner space.
More specifically, at first the foam filling member with each embodiment is fixed in interior plate by clamping part, then outer panel is covered interior plate, makes the flange part docking at interior plate and outer panel two ends, through solder joints.Estimate at the fitting operation of column (the installation difficulty at column that obtains according to the resilience of foamed sheet) for the foam filling member of at this moment each embodiment.Its result is as shown in table 1.Estimate and adopt zero (well), △ (common).
Then, each column that foam filling member has been installed is put into 160 ℃ baking oven 20 minutes, make its foaming, by the fillibility of visual assessment to this column inner space.Its result is as shown in table 1.Estimate and adopt zero (well), △ (common).
Table 1
Figure G2009101598384D00231
* 1:EVA (ethylene vinyl acetate copolymer), PE (low density polyethylene (LDPE))
エ バ Off レ Star Network ス EV40LX (Mitsui デ ユ Port Application Port リ ケ ミ カ Le company system, MFR2.0, vinyl acetate content 41 quality %)
エ バ Off レ Star Network ス EV460 (Mitsui デ ユ Port Application Port リ ケ ミ カ Le company system, MFR2.5, vinyl acetate content 19 quality %)
ウ Le ト ラ セ Application 543 (eastern ソ one company's system, MFR1.3, vinyl acetate content 10 quality %)
ウ Le ト ラ セ Application 511F (eastern ソ one company's system, MFR2.5, vinyl acetate content 6 quality %)
ウ Le ト ラ セ Application 760 (eastern ソ one company's system, MFR70, vinyl acetate content 42 quality %)
ス ミ カ セ Application G210 (Sumitomo Mitsui Port リ オ レ Off イ Application company system)
* 2OBSH:4,4 '-oxygen two (benzene sulfonyl hydrazide), Yonghe County becomes chemical industry company system, ネ オ ス レ Application HM806P, OBSH content 80 % by weight, EPDM content 20 % by weight
* 3DCP: cumyl peroxide, Nof Corp.'s system, パ one Network ミ Le D-40MBK, cumyl peroxide content 40 % by weight, silica+EPDM content 60%
* 4: foaming layer is lax, and filling badness appears in part
* 5: crooked elastic rate is high, and is bad at the fitting operation of column
Above-mentioned explanation is provided as example of the present invention, but these are example, is not determinate explanation.The apparent variation of the present invention of those skilled in the art is included in the scope of claim described later.

Claims (2)

1. foam filling member is used to form the foaming body of interstitital texture body space, it is characterized in that,
Possess the foamed sheet that is formed in the form of sheets by expanded material,
Described foamed sheet forms ring-type, makes the mutually intersection of coincidence of described foamed sheet with formation,
Be formed for keeping the maintaining part of ring-type in the described intersection of described foamed sheet, this maintaining part is formed by the otch that the width along foamed sheet cuts.
2. foam filling member as claimed in claim 1 is characterized in that, the crooked elastic rate of described foamed sheet is 2~180MPa.
CN 200910159838 2004-12-01 2005-12-01 Foam filling member Expired - Fee Related CN101602242B (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP2004348947A JP4463667B2 (en) 2004-12-01 2004-12-01 Foam filling material
JP2004348947 2004-12-01
JP2004-348947 2004-12-01
JP2004351626 2004-12-03
JP2004351626 2004-12-03
JP2004-351626 2004-12-03
JP2005299677A JP4185087B2 (en) 2004-12-03 2005-10-14 Foam filling material
JP2005-299677 2005-10-14
JP2005299677 2005-10-14

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN 200510128814 Division CN1781689B (en) 2004-12-01 2005-12-01 Foam filling member

Publications (2)

Publication Number Publication Date
CN101602242A CN101602242A (en) 2009-12-16
CN101602242B true CN101602242B (en) 2013-03-27

Family

ID=36630111

Family Applications (2)

Application Number Title Priority Date Filing Date
CN 200910159838 Expired - Fee Related CN101602242B (en) 2004-12-01 2005-12-01 Foam filling member
CN 200510128814 Expired - Fee Related CN1781689B (en) 2004-12-01 2005-12-01 Foam filling member

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN 200510128814 Expired - Fee Related CN1781689B (en) 2004-12-01 2005-12-01 Foam filling member

Country Status (2)

Country Link
JP (1) JP4463667B2 (en)
CN (2) CN101602242B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4421654B2 (en) * 2008-01-16 2010-02-24 日東電工株式会社 Manufacturing method of heated foam sheet
JP5300704B2 (en) * 2009-12-07 2013-09-25 イイダ産業株式会社 Expandable filler
CN104284831B (en) * 2012-03-13 2016-10-12 泽费罗斯股份有限公司 Load activates block piece
KR20140016548A (en) * 2012-07-30 2014-02-10 삼성정밀화학 주식회사 Resin composition for foaming comprising biodegradable rresin and foamed article made thereof
CN115056858B (en) * 2022-07-11 2024-01-30 岚图汽车科技有限公司 Top cap crossbeam connects additional strengthening, top cap crossbeam assembly structure and vehicle

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1176617A (en) * 1995-12-28 1998-03-18 积水化成品工业株式会社 Method and apparatus for manufacturing a foamed resin container with a label
CN1211498A (en) * 1997-08-29 1999-03-24 株式会社永昌新机术 Injection-foamed product and manufacturing method thereof

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3822090C1 (en) * 1988-06-30 1989-07-27 Bayer Ag, 5090 Leverkusen, De
JP3597571B2 (en) * 1994-08-30 2004-12-08 株式会社イノアックコーポレーション Structure for assembling interior parts of vehicle pillars
US5904024A (en) * 1997-02-26 1999-05-18 Axxis Corp. Mount construction of foam substrate in hollow structures
JP3485780B2 (en) * 1997-12-25 2004-01-13 三菱自動車工業株式会社 Sheet metal part and method of manufacturing the same
JP4223149B2 (en) * 1999-07-26 2009-02-12 株式会社ネオックスラボ Hollow chamber breaker in hollow structure and method for producing the same
JP2003063443A (en) * 2001-08-28 2003-03-05 Neoex Lab Inc Method for foam-filling and forming filler of hollow panel

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1176617A (en) * 1995-12-28 1998-03-18 积水化成品工业株式会社 Method and apparatus for manufacturing a foamed resin container with a label
CN1211498A (en) * 1997-08-29 1999-03-24 株式会社永昌新机术 Injection-foamed product and manufacturing method thereof

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
JP平2-41214A 1990.02.09
JP特开平11-189174A 1999.07.13
JP特开平8-67213A 1996.03.12

Also Published As

Publication number Publication date
JP2006151333A (en) 2006-06-15
CN1781689A (en) 2006-06-07
CN1781689B (en) 2013-10-16
CN101602242A (en) 2009-12-16
JP4463667B2 (en) 2010-05-19

Similar Documents

Publication Publication Date Title
CN100445067C (en) Foam filling member
CN100471640C (en) Foam filling member
CN1935489B (en) Heat-foamable sheet, method for manufacturing the same, foaming filler member, and method for filling inner space of hollow member
CN101602242B (en) Foam filling member
EP1666228B1 (en) Foam filling member
JP5450026B2 (en) Sealable, buffling or reinforcing inflatable material and squeezable member and method of forming the same
EP2084051B1 (en) Expandable filler insert and methods of producing the expandable filler insert
CN102438882B (en) Method for improved reinforcement baffling and sealing
JP6003009B2 (en) Resin sandwich panel and method for manufacturing resin sandwich panel
US20070276054A1 (en) Composition for foam filling, foam filling member, and foam for filling
JP5971073B2 (en) Resin sandwich panel and method for manufacturing resin sandwich panel
JP6015921B2 (en) Resin sandwich panel and method for manufacturing resin sandwich panel
CN102206423B (en) Filling foaming composition, filling-foam component and filling foam
JP2016172456A (en) Resin sandwich panel and method for producing resin sandwich panel
JP7041082B2 (en) Sheet core material
CN105691344B (en) With coating agent and there is the cushion for interrupting film
JP6551966B2 (en) Sandwich panel and method of forming sandwich panel
JPWO2018147278A1 (en) Sheet core material
JP4414810B2 (en) Foam filling material
JP2993997B2 (en) Method of manufacturing window glass with gasket
US20100255242A1 (en) Process for adhering foam elements and product thereof
JP2008284880A (en) Heat foaming sheet and packing foam member
JP2007069726A (en) Door trim for automobile
JP2008260416A (en) Door trim for automobile
KR20070041301A (en) Foam filling member

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130327

Termination date: 20181201

CF01 Termination of patent right due to non-payment of annual fee