CN102328625B - Vehicle cavity separation member and application method thereof - Google Patents
Vehicle cavity separation member and application method thereof Download PDFInfo
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- CN102328625B CN102328625B CN 201110148032 CN201110148032A CN102328625B CN 102328625 B CN102328625 B CN 102328625B CN 201110148032 CN201110148032 CN 201110148032 CN 201110148032 A CN201110148032 A CN 201110148032A CN 102328625 B CN102328625 B CN 102328625B
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000000926 separation method Methods 0.000 title abstract 6
- 238000005187 foaming Methods 0.000 claims abstract description 79
- 239000000463 material Substances 0.000 claims abstract description 66
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 24
- 238000001962 electrophoresis Methods 0.000 claims abstract description 5
- 230000000903 blocking effect Effects 0.000 claims description 59
- 238000010009 beating Methods 0.000 claims description 31
- 238000013016 damping Methods 0.000 claims description 22
- 239000003365 glass fiber Substances 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 9
- 239000003822 epoxy resin Substances 0.000 claims description 9
- 229920000647 polyepoxide Polymers 0.000 claims description 9
- 229920002943 EPDM rubber Polymers 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 229920002302 Nylon 6,6 Polymers 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 229920001971 elastomer Polymers 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 19
- 239000002184 metal Substances 0.000 abstract 3
- 230000007547 defect Effects 0.000 abstract 1
- 239000006260 foam Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000001603 reducing effect Effects 0.000 description 4
- 230000032683 aging Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
- B62D29/001—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material
- B62D29/002—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material a foamable synthetic material or metal being added in situ
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- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
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- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Abstract
The invention discloses a vehicle cavity separation member and an application method thereof for overcoming the defects of the traditional vehicle cavity filling, such as complicated structure, poor generality and unapparent vibration attenuation and noise reduction effects. The vehicle cavity separation member comprises a framework shaped like a closed hexahedron, an enhancement layer and a vibration attenuation layer are respectively arranged on the front surface and the rear surface of the framework, a buckle for fixing the cavity separation member is arranged on the enhancement layer, penetrates through the enhancement layer and is integrated with the framework, a foaming material layer which is not foamed is arranged on each of the upper surface and the lower surface of the framework, the left surface and the right surface of the framework are uneven faces with reinforcing ribs, and a foaming material layer is attached to each uneven face. The buckle is buckled on a metal plate of a vehicle cavity, the vibration attenuation layer is attached to the metal plate of the vehicle cavity, the cavity separation member is baked by electrophoresis so that the foaming material layer is foamed to separate and seal the vehicle cavity, and the foamed enhancement layer is tightly attached to the metal plate of the vehicle cavity. The whole cavity separation member has the advantages of simple structure, high generality and obvious vibration attenuation and noise reduction effects.
Description
Technical field
The present invention relates to a kind of auto parts and components, more particularly, it relates to the good automobile cavity blocking part of a kind of effect of vibration and noise reduction and using method thereof.
Background technology
The NVH performance of automobile and safety performance are the integrated technology indexs of weighing the modern automobile manufacture level, and particularly for car, internal car noise and collision safety grade are weighed one of major criterion of car class and brand especially.Each large car load manufacturing enterprise of World Automobile Industry and parts enterprises are all paid much attention to NVH performance and the safety performance of automobile, and these two vehicle performances also become the important counterweight of the various brands vehicle market competitiveness.Have the casing strength beam structure of some sealings at auto body, i.e. so-called " bypass cavity structure " is such as threshold, front wall, gusset etc.Cavity can transmit noise and the tire noise of engine noise, freeing pipe noise, wind, and when galloping, these cavitys can form High Speed Airflow Within, produces noise and vibration.How to prevent that these noise and vibrations from just becoming very important.Mostly be to adopt in the automobile cavity position to intercept with weighting material to block Air Flow and come vibration and noise reducing now, but not to be the complex structure commonality poor is exactly that effect of vibration and noise reduction is not obvious for present weighting material.
Chinese patent notification number CN2900295Y, May 16 2007 day for announcing, the name of utility model is called car body cavity vibration isolating pad, an integral slab shape framing member that is constituted by basic skeleton and foaming body, it has the similar aspect in cross section of the cavity of relevant position with vehicle body, and with respect to the space of leaving around the respective cross-section for the foaming body foaming and intumescing, around basic skeleton, be provided with groove, foaming body be inlaid in the groove and be enclosed in basic skeleton around, the foaming body that is enclosed in around the basic skeleton has at the thickness that can fill up the gap between vibration isolating pad and the vehicle body behind the foaming and intumescing.This utility model can be blocked flowing of the interior air of automobile cavity, effect with vibration and noise reducing, but the cross section of the relevant position with vehicle body of the shape of vibration isolating pad cavity is similar, and the cross section of cavity is complicated, this just makes the structure complicated of vibration isolating pad, and the shape of the cavity cross section of vehicle body diverse location is different, and the commonality of vibration isolating pad is poor.
Summary of the invention
The present invention has overcome poor, the unconspicuous deficiency of effect of vibration and noise reduction of the complicated commonality of existing automobile cavity packing structure, a kind of automobile cavity blocking part and using method thereof are provided, its highly versatile simple in structure, cavity blocking part foaming rear enclosed bodywork cavity, block the Air Flow in the cavity, obvious to the effect of vibration and noise reduction of automobile.
In order to solve the problems of the technologies described above, the present invention is by the following technical solutions: a kind of automobile cavity blocking part, comprise and be the hexahedral skeleton of sealing, the forward and backward surface of skeleton is respectively equipped with enhancement layer and vibration damping layer, enhancement layer is provided with for the fixing buckle of cavity blocking part, buckle penetrates enhancement layer and is structure as a whole with skeleton, the upper and lower surface of skeleton is provided with one deck without the foamed material layer of foaming, the left and right surfaces of skeleton is the male and fomale(M﹠F) with reinforced rib, and male and fomale(M﹠F) adheres to one deck without the foamed material layer of foaming.Enhancement layer, vibration damping layer, foamed material layer are separately positioned on the surface of hexahedron skeleton, the different effect of they performances.After the cavity blocking part foaming, enhancement layer is fitted on the plates of automobile plates of automobile has been played the effect that strengthens rigidity, the vibration damping laminating is combined in and has played the effect of strengthening vibration damping on the plates of automobile, and the obstruction seals automobile cavity blocks the interior Air Flow of cavity and absorbs cavity noise after the foamed material layer foaming.Cavity blocking part is installed on the cavity panel beating by buckle, rather than directly stick on the cavity panel beating by binder, different workmans is provided with the installation that fixing mounting hole makes things convenient for cavity blocking part at the cavity panel beating, even also can not produce positional error when cavity blocking part is installed.And automobile is long-time use after owing to be subjected to the factor affecting such as illumination ageing, binder is aging easily, if adopting directly cavity blocking part to be sticked on just comes off on the cavity panel beating easily, adopts buckle structure just to avoid the generation of this situation.The intensity enhancing on surface about male and fomale(M﹠F) makes, the while also makes the intensity enhancing of whole cavity blocking part.Male and fomale(M﹠F) has also improved the bond area of this position expanded material, thereby improves the adhesion effect of expanded material, prevents that expanded material from coming off.After this automobile cavity blocking part foaming, the sealing bodywork cavity has blocked flowing of the interior gas of automobile cavity, and is obvious to the vibration and noise reducing action effect of automobile.And cavity blocking part is simple in structure, is applicable on the cavity of optional position on the automobile highly versatile.
The first scheme, the left and right surfaces of described skeleton arranges the reinforcing rib structure of projection, reinforced rib comprises some cross reinforcings and some oblique reinforced ribs, oblique reinforced rib connects adjacent two cross reinforcings, each oblique reinforced rib links together and is W shape, cross reinforcing, oblique reinforced rib and skeleton are structure as a whole, and the left and right surfaces of skeleton and reinforced rib form male and fomale(M﹠F).Every reinforced rib is by the skeleton structure of mechanical function support side, make skeleton about the strength increase on surface, the strength increase of integral cavity barriers.The oblique reinforced rib of W shape links together into an integral body with cross reinforcing, makes the stiffening effect of reinforced rib more obvious.
First scheme, the cross section of described male and fomale(M﹠F) can also indentions, and male and fomale(M﹠F) is by the rectangular surfaces of several inclinations integral surface structure that is formed by connecting, and reinforced rib is the bending of adjacent two rectangular surfaces junctions.The cross section indention of male and fomale(M﹠F), increased the intensity on surface about skeleton, and the foamed material layer foaming time that is attached on the male and fomale(M﹠F) mostly is that the joint face direction that vertically links to each other with them foams, foamed material layer on the inclined rectangular faces of indention of linking together respectively vertical bank rectangular surfaces is dispersed foaming to all directions and is come, make the easier closed car cavity of expanded material, reach better foaming effect.
The third scheme, described male and fomale(M﹠F) can also be comprised of several rectangular elements that links together, rectangular element is comprised of two gores, the hypotenuse that two gores overlap is projection or cave inward outwards, adjacent two rectangular elements are symmetrical along the connection lead that they link to each other, reinforced rib comprises oblique reinforced rib and cross reinforcing, and oblique reinforced rib is the bending of two gore hypotenuse overlapping positions, and cross reinforcing is the bending of adjacent two rectangular element junctions.This scheme is equivalent to an inclined rectangular faces has been divided into two congruent triangles faces, increased the number on inclined-plane, strengthen the intensity on surface about skeleton and direction and the scope of expanded material foaming, more be conducive to the foam filled closed car cavity of expanded material.
As preferably, the front surface of the vertical skeleton of described buckle, buckle comprise columniform buckle body and cylindrical-conical pinnacle, and pinnacle and buckle body are structure as a whole and their dead in line, are provided with a ring annular groove between pinnacle and the buckle body.Cylindrical-conical pinnacle makes in the easier mounting hole that sticks on the cavity panel beating of buckle.The bottom surface diameter on conical pinnacle is consistent with the diameter of cylindrical buckle body.Buckle and mounting hole are interference fit, after sticking into mounting hole, the head of buckle make the pinnacle be stuck in the mounting hole fully, the front end part of buckle body sticks in the mounting hole, annular groove is just fully inner at mounting hole, the aperture of the installation hole wall position that this moment and buckle body are fitted and and the aperture of the installation hole wall position of fitting, pinnacle have the large trend of change, and it is constant with the mounting hole aperture of annular groove correspondence position, just have in the aperture of annular groove position so than in the little trend in the aperture of position, pinnacle, buckle just is difficult for skidding off in mounting hole like this.
As preferably, it is that 20% ~ 40% glass fiber enhanced nylon 66 is made that described skeleton and buckle adopt the massfraction of glass fiber content, and skeleton is rectangular structure, and skeleton inside is hollow form, and is evacuated.The glass fiber enhanced nylon 66 Rigidity and strength is good, makes skeleton not yielding, is conducive to the foaming of whole cavity blocking part.Skeleton inner hollow shape has not only been saved material and has been alleviated the weight of skeleton, and has been evacuated, and has intercepted the propagation of noise fully, makes the effect of vibration and noise reduction of whole cavity blocking part more obvious.
As preferably, described enhancement layer adopts the low bulk epoxide resin material, and thickness is 1.5mm ~ 3mm; The vibration damping layer adopts the rubber modified epoxy resin material, and thickness is 1.2mm ~ 2mm; Foamed material layer adopts EVA expanded material or EPDM expanded material, and cubical expansivity is 5 times ~ 20 times, and thickness is 1.5mm ~ 6mm.The thickness of each layer is moderate, can fill the seal automobile cavity fully after making cavity blocking part foaming.
A kind of using method of automobile cavity blocking part, described buckle is stuck on the mounting hole of automobile cavity panel beating, the vibration damping layer passes through the adhesive paste of self on the cavity panel beating, described cavity blocking part electrophoresis in 160 ℃ ~ 180 ℃ scopes toasted 15 ~ 20 minutes, make the foamed material layer foaming obstruction seals automobile cavity on surface, skeleton upper and lower, left and right, block flowing of the interior air of automobile cavity, the vibration damping layer hardens and fits tightly with the cavity panel beating, and enhancement layer fits tightly on the cavity panel beating by the foaming of 1.5 times ~ 3 times of cubical expansivities.The front end of cavity blocking part is stuck on the automobile cavity panel beating by buckle, makes things convenient for location and installation, and the adhesive paste of vibration damping layer self is passed through on the cavity panel beating in the rear end that cavity blocking is incited somebody to action, and whole cavity blocking part is fixed in the automobile cavity firmly.After cavity blocking part toasts through electrophoresis, the foamed material layer foaming obstruction seals automobile cavity on surface, skeleton upper and lower, left and right, the vibration damping layer hardens and fits tightly the rigidity that has increased the cavity panel beating with the cavity panel beating, but also has the effect of vibration damping.The enhancement layer foaming applying has increased the intensity of cavity panel beating on the cavity panel beating.
Compared with prior art, the invention has the beneficial effects as follows: the direction of the foamed material layer on surface foaming is outwards dispersed about (1) cavity blocking part, increased the scope of foaming, be conducive to the foam filled seal automobile cavity of expanded material, make cavity blocking part foamed after the successful of vibration and noise reducing; (2) cavity blocking part is simple in structure, and highly versatile can use the same cavity blocking part on the cavity of optional position on the automobile; (3) cavity blocking part is provided with male and fomale(M﹠F), makes whole skeleton not yielding, is conducive to the foaming of expanded material.
Description of drawings
Fig. 1 is the front elevation of embodiments of the invention 1;
Fig. 2 is the lateral plan of the removal skeleton left side foamed material layer of embodiments of the invention 1;
Fig. 3 is the front elevation of embodiments of the invention 2;
Fig. 4 is the lateral plan of embodiments of the invention 2;
Fig. 5 is the front elevation of embodiments of the invention 3;
Fig. 6 is the lateral plan of embodiments of the invention 3;
Fig. 7 is the scheme drawing that use state of the present invention does not foam;
Among the figure: 1, upper foaming layer, 2, cross reinforcing, 3, oblique reinforced rib, 4, enhancement layer, 5, buckle, 6, left foaming layer, 7, upper foaming layer, 8, the vibration damping layer, 9, right foaming layer, 10, the cavity panel beating.
The specific embodiment
Below by specific embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is further described specifically:
Embodiment 1: as shown in Figure 1 and Figure 2, a kind of automobile cavity blocking part comprises the skeleton of the rectangular structure that is sealing, and skeleton inside is hollow form, and is evacuated.It is that 25% glass fiber enhanced nylon 66 is made that skeleton adopts the massfraction of glass fiber content, and the forward and backward surface of skeleton is respectively equipped with enhancement layer 4 and vibration damping layer 8.Enhancement layer is covered with the whole surface of skeleton front surface, and the vibration damping layer is covered with the whole surface of skeleton rear surface; Enhancement layer adopts the low bulk epoxide resin material, and thickness is 2mm; The vibration damping layer adopts the rubber modified epoxy resin material, and thickness is 1.5mm.Enhancement layer is provided with two and is used for the fixedly buckle 5 of cavity blocking part, and it is that 25% glass fiber enhanced nylon 66 is made that buckle adopts the massfraction of glass fiber content, and buckle penetrates enhancement layer and is structure as a whole with skeleton.The front surface of the vertical skeleton of buckle, buckle comprises columniform buckle body and cylindrical-conical pinnacle, pinnacle and buckle body are structure as a whole and their dead in line, the bottom surface diameter on conical pinnacle is consistent with the diameter of cylindrical buckle body, is provided with a ring annular groove between pinnacle and the buckle body.The upper and lower surface of skeleton is provided with one deck without the foamed material layer of foaming, is respectively foaming layer 1 and lower foaming layer 7.Upper foaming layer is covered with whole skeleton upper surface, and thickness is 5mm; Lower foaming layer is covered with the whole lower surface of skeleton, and thickness is 5mm.The left and right surfaces of skeleton is male and fomale(M﹠F), the reinforcing rib structure of projection is set in the left and right surfaces of skeleton, it is foursquare strip shape that reinforced rib is the cross section, reinforced rib comprises five cross reinforcings 2 and four oblique reinforced ribs 3, the distance of adjacent two cross reinforcings equates that cross reinforcing topmost is at the upper marginal position of male and fomale(M﹠F).Oblique reinforced rib connects adjacent two cross reinforcings, oblique reinforced rib topmost connects the right-hand member of cross reinforcing topmost, each oblique reinforced rib links together and is W shape, cross reinforcing, oblique reinforced rib and skeleton are structure as a whole, the left and right surfaces of skeleton and reinforced rib form male and fomale(M﹠F), male and fomale(M﹠F) adheres to one deck without the foamed material layer of foaming, is respectively left foaming layer 6 and right foaming layer 9.The thickness of left foaming layer and right foaming layer all is 5mm.The EVA expanded material is adopted in upper foaming layer, lower foaming layer, left foaming layer, right foaming layer, perhaps they also can adopt the EPDM expanded material, adopt the cubical expansivity of EVA expanded material or EPDM expanded material all to be 15 times, guarantee to fill bodywork cavity fully after their foaming, block Air Flow in the cavity.Form porous foam after EVA expanded material or the foaming of EPDM expanded material, fill the seal automobile cavity and absorb cavity noise.Glass fiber enhanced nylon 66, EVA expanded material and low bulk epoxide resin material are by the Shooting Technique moulding, and EPDM expanded material and rubber modified epoxy resin material are by the calendering technology moulding.Upper foaming layer, lower foaming layer, left foaming layer, right foaming layer and enhancement layer are bonded on the skeleton surface by acrylate adhesive, and the adhesive paste of vibration damping layer by self rubber modified epoxy resin material is on the skeleton surface.
As shown in Figure 7, a kind of using method of automobile cavity blocking part, buckle is stuck on the mounting hole of cavity panel beating 10 of automobile cavity front end, and the cylindrical-conical pinnacle of buckle makes things convenient for snaps into position to install, and is gapped between enhancement layer and the front end cavity panel beating.Then the panel beating with the automobile cavity rear end is welded on the front end panel beating, make the panel beating of front and back ends form a cavity, and the rear end vibration damping laminating that makes cavity blocking part is combined on the panel beating of automobile cavity rear end, and the vibration damping layer passes through the adhesive paste of self on the cavity panel beating.Cavity blocking part toasted 20 minutes at 170 ℃ temperature electrophoresis, make the foamed material layer foaming obstruction seals automobile cavity on surface, skeleton upper and lower, left and right, block flowing of the interior air of automobile cavity, the vibration damping layer hardens and fits tightly the rigidity that has increased the cavity panel beating with the cavity panel beating, and enhancement layer fits tightly the intensity that has increased the cavity panel beating at the cavity panel beating by the foaming of 2 times of cubical expansivities.The male and fomale(M﹠F) of the left and right sides surface band reinforced rib of skeleton, guaranteed the intensity of skeleton, make cavity blocking part skeleton in foaming not yielding, because in foaming time, is take skeleton as pedestal, skeleton is stablized the indeformable foaming that is conducive to expanded material, and skeleton inside is hollow form, and is evacuated, intercepted the propagation of noise fully, made the effect of vibration and noise reduction of whole cavity blocking part more obvious.Cavity blocking part simple in structure, highly versatile can use the same cavity blocking part on the cavity of optional position on the automobile.
Embodiment 2: as shown in Figure 3, Figure 4, a kind of automobile cavity blocking part comprises the skeleton of the rectangular structure that is sealing, and skeleton inside is hollow form, and is evacuated.The left and right surfaces of skeleton is the male and fomale(M﹠F) with reinforced rib, the cross section indention of male and fomale(M﹠F), male and fomale(M﹠F) is by the rectangular surfaces of four inclinations integral surface structure that is formed by connecting, and reinforced rib is the bending of adjacent two rectangular surfaces junctions, adheres to one deck on the male and fomale(M﹠F) without the foamed material layer of foaming.The male and fomale(M﹠F) of skeleton left surface and the male and fomale(M﹠F) on right surface are symmetrical, and the angle of the plane of symmetry of the rectangular surfaces of inclination and skeleton left and right sides concave-convex surface face is 20 °.The rectangular surfaces that topmost tilts tilts to the plane of symmetry direction away from skeleton left and right sides concave-convex surface face from top to bottom.Foamed material layer comprises the right foaming layer 9 on the inclined rectangular faces of left foaming layer 6 on the inclined rectangular faces of skeleton left surface male and fomale(M﹠F) and the right concave-convex surface face of skeleton.The thickness of left foaming layer and right foaming layer all is 5mm, and they adopt EVA expanded material or EPDM expanded material.The other parts of cavity blocking part are identical with embodiment 1.
As shown in Figure 7, a kind of using method of automobile cavity blocking part, identical with embodiment 1, the male and fomale(M﹠F) of the left and right surfaces of skeleton all is comprised of the rectangular surfaces of four inclinations, and expanded material mainly to be joint face direction toward vertical foaming material and skeleton in foaming foam, joint face has tilted to increase the scope of foaming, the foaming direction is dispersed more, so just can fill more fully automobile cavity, be conducive to guarantee the leak tightness of automobile cavity, prevent flowing of the interior air of cavity, the effect of vibration and noise reduction of cavity blocking part is good.Cavity blocking part simple in structure, highly versatile can use the same cavity blocking part on the cavity of optional position on the automobile.
Embodiment 3: such as Fig. 5, shown in Figure 6, a kind of automobile cavity blocking part comprises the skeleton of the rectangular structure that is sealing, and skeleton inside is hollow form, and is evacuated.The left and right surfaces of skeleton is the male and fomale(M﹠F) with reinforced rib, male and fomale(M﹠F) is comprised of four rectangular elements that link together, rectangular element is comprised of two gores, the two outside projection of hypotenuse or cave inward (being shown as outside projection among the figure) that gore overlaps, adjacent two rectangular elements are symmetrical along the connection lead that they link to each other, reinforced rib comprises oblique reinforced rib and cross reinforcing, oblique reinforced rib is the bending of two gore hypotenuse overlapping positions, and cross reinforcing is the bending of adjacent two rectangular element junctions.The male and fomale(M﹠F) of the left surface of skeleton and the male and fomale(M﹠F) on right surface are symmetrical, and the angle of the plane of symmetry of gore and skeleton left and right sides concave-convex surface face is 30 °.Adhere to one deck on the male and fomale(M﹠F) without the foamed material layer of foaming, foamed material layer comprises the upper left foaming layer 6 of skeleton left surface male and fomale(M﹠F) and the right foaming layer 9 on the right concave-convex surface face of skeleton.The thickness of left foaming layer and right foaming layer all is 5mm, and they adopt EVA expanded material or EPDM expanded material.The other parts of cavity blocking part are identical with embodiment 1.
As shown in Figure 7, a kind of using method of automobile cavity blocking part, identical with embodiment 1, after the cavity blocking part foaming, fill the seal automobile cavity, because the male and fomale(M﹠F) on surface all is comprised of the gore of a plurality of inclinations about skeleton, expanded material on the gore that tilts is just to a plurality of directional divergence foaming like this, the rectangular surfaces of the inclination in embodiment 2 skeleton about the surface increased respectively four the foaming directions, cavity filling is more abundant after making the expanded material foaming, better tightness, effect of vibration and noise reduction is more obvious.This cavity blocking part simple in structure, highly versatile can use the same cavity blocking part on the cavity of optional position on the automobile.
Above-described embodiment is several better scheme of the present invention, is not that the present invention is done any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technical scheme that claim puts down in writing.
Claims (8)
1. automobile cavity blocking part, it is characterized in that, comprise and be the hexahedral skeleton of sealing, the forward and backward surface of skeleton is respectively equipped with enhancement layer (4) and vibration damping layer (8), enhancement layer is provided with for the fixing buckle of cavity blocking part (5), buckle penetrate enhancement layer and and skeleton be structure as a whole, the upper and lower surface of skeleton is provided with one deck without the foamed material layer of foaming, the left and right surfaces of skeleton is the male and fomale(M﹠F) with reinforced rib, and male and fomale(M﹠F) adheres to one deck without the foamed material layer of foaming.
2. automobile cavity blocking part according to claim 1, it is characterized in that, the left and right surfaces of described skeleton arranges the reinforcing rib structure of projection, reinforced rib comprises some cross reinforcings (2) and some oblique reinforced ribs (3), oblique reinforced rib connects adjacent two cross reinforcings, each oblique reinforced rib links together and is W shape, and cross reinforcing, oblique reinforced rib and skeleton are structure as a whole, and the left and right surfaces of skeleton and reinforced rib form male and fomale(M﹠F).
3. automobile cavity blocking part according to claim 1 is characterized in that, the cross section indention of described male and fomale(M﹠F), and male and fomale(M﹠F) is by the rectangular surfaces of several inclinations integral surface structure that is formed by connecting, and reinforced rib is the bending of adjacent two rectangular surfaces junctions.
4. automobile cavity blocking part according to claim 1, it is characterized in that, described male and fomale(M﹠F) is comprised of the rectangular element that several link together, rectangular element is comprised of two gores, the hypotenuse that two gores overlap is projection or cave inward outwards, adjacent two rectangular elements are symmetrical along the connection lead that they link to each other, reinforced rib comprises oblique reinforced rib and cross reinforcing, oblique reinforced rib is the bending of two gore hypotenuse overlapping positions, and cross reinforcing is the bending of adjacent two rectangular element junctions.
5. according to claim 1 and 2 or 3 or 4 described automobile cavity blocking parts, it is characterized in that, the front surface of the vertical skeleton of described buckle, buckle comprises columniform buckle body and cylindrical-conical pinnacle, pinnacle and buckle body are structure as a whole and their dead in line, are provided with a ring annular groove between pinnacle and the buckle body.
6. according to claim 1 and 2 or 3 or 4 described automobile cavity blocking parts, it is characterized in that it is that 20% ~ 40% glass fiber enhanced nylon 66 is made that described skeleton and buckle adopt the massfraction of glass fiber content, skeleton is rectangular structure, skeleton inside is hollow form, and is evacuated.
7. automobile cavity blocking part according to claim 6 is characterized in that, described enhancement layer adopts the low bulk epoxide resin material, and thickness is 1.5mm ~ 3mm; The vibration damping layer adopts the rubber modified epoxy resin material, and thickness is 1.2mm ~ 2mm; Foamed material layer adopts EVA expanded material or EPDM expanded material, and cubical expansivity is 5 times ~ 20 times, and thickness is 1.5mm ~ 6mm.
8. the using method of the described automobile cavity blocking part of claim 1 to 7 any one, it is characterized in that, described buckle is stuck on the mounting hole of automobile cavity panel beating (10), the vibration damping layer passes through the adhesive paste of self on the cavity panel beating, described cavity blocking part toasted 20 minutes at 170 ℃ temperature electrophoresis, make on the skeleton, lower, left, the foamed material layer foaming obstruction seals automobile cavity on right surface, block flowing of the interior air of automobile cavity, the vibration damping layer hardens and fits tightly with the cavity panel beating, and enhancement layer fits tightly on the cavity panel beating by the foaming of 1.5 times ~ 3 times of cubical expansivities.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110148032 CN102328625B (en) | 2011-06-03 | 2011-06-03 | Vehicle cavity separation member and application method thereof |
| PCT/CN2011/079327 WO2012162973A1 (en) | 2011-06-03 | 2011-09-05 | Automobile cavity barrier component and method for using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110148032 CN102328625B (en) | 2011-06-03 | 2011-06-03 | Vehicle cavity separation member and application method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102328625A CN102328625A (en) | 2012-01-25 |
| CN102328625B true CN102328625B (en) | 2013-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110148032 Expired - Fee Related CN102328625B (en) | 2011-06-03 | 2011-06-03 | Vehicle cavity separation member and application method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102328625B (en) |
| WO (1) | WO2012162973A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103358856A (en) * | 2013-07-10 | 2013-10-23 | 奇瑞汽车股份有限公司 | Sound-absorption dust shield for passenger vehicle scavenge port |
| CN106515863A (en) * | 2016-10-12 | 2017-03-22 | 重庆比速汽车有限公司 | Sealing structure under central pillar |
| CN108438056B (en) * | 2018-02-07 | 2019-12-10 | 山东科技职业学院 | High gas tightness automobile body |
| CN113165698B (en) * | 2018-12-03 | 2024-04-05 | 泽菲罗斯有限公司 | Stiffener with integrated stop |
| CN113428242B (en) * | 2021-07-06 | 2022-09-16 | 奇瑞汽车股份有限公司 | Threshold reinforcing plate mounting structure |
| CN113602354B (en) * | 2021-07-26 | 2022-09-23 | 岚图汽车科技有限公司 | Supporting structure, cavity structure and connecting method thereof |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4203460C2 (en) * | 1991-02-20 | 2000-05-18 | Volkswagen Ag | Method for producing a carrier-like component with a light material core |
| DE19723740A1 (en) * | 1997-06-06 | 1998-12-10 | Duewag Ag | Vehicle superstructure with doors |
| JP4327961B2 (en) * | 1999-10-26 | 2009-09-09 | 株式会社神戸製鋼所 | Method for producing panel structure for transport aircraft excellent in soundproofing |
| FR2812847A1 (en) * | 2000-08-08 | 2002-02-15 | Sai Automotive Allibert Ind | MOTOR VEHICLE DOOR |
| US20050263345A1 (en) * | 2002-05-08 | 2005-12-01 | Johnson Controls Technology Company | Sound absorbing panel for a vehicle and its method of manufacture |
| DE10242761A1 (en) * | 2002-09-14 | 2004-03-25 | Daimlerchrysler Ag | foil |
| CN2617633Y (en) * | 2003-04-14 | 2004-05-26 | 上海申沃客车有限公司 | Sound-absorbing and thermal insulative structure for rear engine cabin roof of bus |
| DE202005001788U1 (en) * | 2005-02-03 | 2005-04-14 | Carcoustics Tech Center Gmbh | Shaped inner door element for insertion into a space of a vehicle door consists of an open-pore foam of a melamine based material which has hydrophobic properties and is hardenable by heat |
| CN2900295Y (en) * | 2006-05-17 | 2007-05-16 | 上海华特汽车配件有限公司 | Vibration insulating pad for vehicle boy hollow chamber |
| DE102007038659A1 (en) * | 2007-08-15 | 2009-02-19 | Henkel Ag & Co. Kgaa | Expandable filler insert for filling hollow spaces, comprises self-supporting continuous structure including polymer matrix containing polymer(s) or polymer precursor and latent blowing agent(s), and spacer and/or fixing element |
| CN201045033Y (en) * | 2007-04-11 | 2008-04-09 | 上海华特汽车配件有限公司 | Vehicle body cavity acoustic baffling block mounted on top of car C, D-column |
-
2011
- 2011-06-03 CN CN 201110148032 patent/CN102328625B/en not_active Expired - Fee Related
- 2011-09-05 WO PCT/CN2011/079327 patent/WO2012162973A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012162973A1 (en) | 2012-12-06 |
| CN102328625A (en) | 2012-01-25 |
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