CN203020228U - Cavity sound insulation block arranged on inner side of upper portion of column A of car - Google Patents
Cavity sound insulation block arranged on inner side of upper portion of column A of car Download PDFInfo
- Publication number
- CN203020228U CN203020228U CN 201220690884 CN201220690884U CN203020228U CN 203020228 U CN203020228 U CN 203020228U CN 201220690884 CN201220690884 CN 201220690884 CN 201220690884 U CN201220690884 U CN 201220690884U CN 203020228 U CN203020228 U CN 203020228U
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- China
- Prior art keywords
- car
- cavity
- support
- insulation block
- sound insulation
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- Expired - Fee Related
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Abstract
A cavity sound insulation block arranged on the inner side of the upper portion of a column A of a car comprises a heat-resisting support and a foaming body which is connected on the support and can be foamed and expanded after being heated. The support is provided with a shape similar to the cross section of a cavity on the inner side of the upper portion of the column A of the car, and a gap is formed between the support and peripheral car body panels with the corresponding cross section. The cavity sound insulation block is characterized in that elastic buckles, stop positions and pre-tightening blocks are arranged on one side edge of the support. The elastic buckles are used for being clamped into metal plates of the car body panels. The stop positions are used for preventing the buckles from being clamped excessively. The elastic buckles, the stop positions and the pre-tightening blocks are connected into a whole. The cavity sound insulation block is prearranged in the car body cavity on the inner side of the upper portion of the column A of the car, is subjected to foaming and expansion, and can be closely cohered into a whole with the car body panels at the position where the cavity sound insulation block is located. Consequently, the cavity sound insulation block can effectively block a passage of the cavity, and achieves the purposes of further improving the vibration isolation effect, the sound insulation effect, the vibration reduction effect and the noise reduction effect in a cabin of the car.
Description
Technical field
The utility model relates to a kind of auto parts and components, relates in particular to a kind of cavity sound-insulation block that is arranged on the A pole of car upper inner.
Background technology
Along with the development of auto-industry, people are more and more higher to the requirement of " safety, traveling comfort, the feature of environmental protection " of car, and the standard-required to " sound insulation, vibration isolation, anticorrosion, noise control " in the car passenger cabin also constantly promotes.The AE personnel have located to do the technology upgrading of sound insulation vibration isolation to ride-control, sound-heat insulated cushion, car internal sound insulation, vibration isolation carpet, vehicle body sticking glass, car roof etc. in car at present, and vibration and noise in the car passenger cabin are effectively improved.But the cavity passage in body structure also can produce the noise with transmitting vibrations, and this technical matters is not well solved all the time.
The manufacturing process of vehicle body is, first with sheet metal by the mould punching moulding after, formed by Automobile Plate metal seam such as inner panel, brace panel and outside plates.Therefore generally be bound to form necessary gap and space in the middle of inner panel and brace panel and outside plate, be included in the zones such as body platform beam, A, B, C, D column, rear wheel cover, ceiling, the front coaming plate of upper/lower terminal, ceiling, rear fender upper end and four door-plates and all can form cavity.Particularly Reinforcement A, B, C, D column and two bottom sides longeron have all formed the column structure spare of hollow.The hollow structure of these column pieces and longeron has guaranteed intensity and the rigidity of body structure effectively, so the cavity state in body structure is must have.But the cavity of this body structure has also formed the specific channel that transmits ambient noise and vibration.The metal sheet of the ceiling of vehicle body, the isometric form of longeron can form sound because of distortion, the vibration of structure when crossing the road ditch; Can form the sympathetic response sound to vehicle body because of extraneous blast, windage again in the high vehicle speeds motion; The pavement of road sandstone also can impact sound to vehicle body by on the go; The resonance frequency that produces in motion can form vibration and the sound to vehicle-body outer panel.These noises and vibration all can be transmitted in the cavity between the inside and outside plate of vehicle body fast, thereby noise and vibration are delivered in the passenger cabin of car, affect driver and conductor's traveling comfort.
Summary of the invention
The purpose of this utility model, the problem that exists in order to solve above-mentioned prior art exactly, thus provide a kind of bodywork cavity that can seal can effectively improve the interior vibration of car passenger cabin and the cavity sound-insulation block that is arranged on the A pole of car upper inner of noise.
In order to achieve the above object, the utility model has adopted following technical scheme: a kind of cavity sound-insulation block that is arranged on the A pole of car upper inner, foaming body that can foaming and intumescing after comprising high temperature resistant support and being connected on support heating; Support have the shape similar to the cross section of A pole of car upper inner cavity and and the peripheral car body panel of respective cross-section between leave the gap, a side at support is provided be used to the Elastic buckle that snaps in the car body panel panel beating and is used for preventing stop bit and the pretension piece that buckle excessively snaps in, and Elastic buckle is connected with stop bit and pretension piece.
Described Elastic buckle is made of two flexure strips that are oppositely arranged, and each flexure strip is made of the connecting strap that is connected with support and the bullet that is arranged on the connecting strap top respectively; Totally two of described stop bit and pretension pieces are connected on two connecting straps.
Described be connected to two stop bits on two connecting straps and pretension piece respectively laterally the place ahead tilt to stretch out.
Rationally reach desirable task program in conjunction with the Automobile manufacturing technological process, bodywork cavity noise insulation block of the present utility model is arranged in the bodywork cavity of A pole of car upper inner, until body in white through pickling, neutralization, purifying, phosphatization, enters in the stoving of the paint stove after first road paint again and toasts.In stove after 160～190 ℃ of high temperature and certain hour, foaming body is completed the foaming bonding, the car body panel of noise insulation block and A pole of car upper inner closely is bonded to one, can effectively intercept the cavity passage at this place, reach totally-enclosed, thereby make by the A post and produce vibration source and the noise obstruct of importing into through bodywork cavity, reach the purpose of further improving the interior vibration isolation of car passenger cabin, sound insulation, vibration damping, noise reduction.Simultaneously, after the bodywork cavity noise insulation block foamed in bodywork cavity and bonds, the intensity of also further having reinforced vehicle body had all played optimization function to body structure and vehicle body crash-protective characteristics, makes the traveling comfort of car and safety obtain important lifting.
Description of drawings
Fig. 1 is the perspective view that the utility model is arranged on the cavity sound-insulation block of A pole of car upper inner;
Fig. 2 is the plan structure schematic diagram of noise insulation block shown in Figure 1.
The specific embodiment
Referring to Fig. 1, coordinate referring to Fig. 2, the utility model is arranged on the cavity sound-insulation block of A pole of car upper inner, comprise high temperature resistant support 1 and be connected on support 1 after heating can foaming and intumescing foaming body 2; Support 1 have the shape similar to the cross section of A pole of car upper inner cavity and and the peripheral car body panel of respective cross-section between leave the gap, a side at support 1 is provided be used to the Elastic buckle 3 that snaps in the car body panel panel beating and is used for preventing stop bit and the pretension piece 4 that buckle excessively snaps in, and Elastic buckle 3 is connected with stop bit and pretension piece 4.
Totally two of stop bit in the utility model and pretension pieces 4, be connected on two connecting straps and respectively laterally the place ahead tilt to stretch out.
The utility model when mounted, the noise insulation block part snaps in a square hole of panel beating by Elastic buckle 3, under the effect of stop bit and pretension piece 4, can prevent effectively that part from making part failure because excessively snapping in, be squeezed because of stop bit and pretension piece 4 simultaneously, can apply an antagonistic force to buckle, thereby buckle is fixed on firmly in the square hole of panel beating, can effectively prevent the rotation of part in effective truncation surface, and save the problem that part need to be arranged anti-rollover and bit-stopping structure, very practical.
Claims (3)
1. cavity sound-insulation block that is arranged on the A pole of car upper inner, comprise high temperature resistant support and be connected on support after heating can foaming and intumescing foaming body; Support have the shape similar to the cross section of A pole of car upper inner cavity and and the peripheral car body panel of respective cross-section between leave the gap, it is characterized in that: the side at support is provided be used to the Elastic buckle that snaps in the car body panel panel beating and is used for preventing stop bit and the pretension piece that buckle excessively snaps in, and Elastic buckle is connected with stop bit and pretension piece.
2. the cavity sound-insulation block that is arranged on the A pole of car upper inner according to claim 1, it is characterized in that: described Elastic buckle is made of two flexure strips that are oppositely arranged, and each flexure strip is made of the connecting strap that is connected with support and the bullet that is arranged on the connecting strap top respectively; Totally two of described stop bit and pretension pieces are connected on two connecting straps.
3. the cavity sound-insulation block that is arranged on the A pole of car upper inner according to claim 2 is characterized in that: described be connected to two stop bits on two connecting straps and pretension piece respectively laterally the place ahead tilt to stretch out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220690884 CN203020228U (en) | 2012-12-13 | 2012-12-13 | Cavity sound insulation block arranged on inner side of upper portion of column A of car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220690884 CN203020228U (en) | 2012-12-13 | 2012-12-13 | Cavity sound insulation block arranged on inner side of upper portion of column A of car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203020228U true CN203020228U (en) | 2013-06-26 |
Family
ID=48644231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220690884 Expired - Fee Related CN203020228U (en) | 2012-12-13 | 2012-12-13 | Cavity sound insulation block arranged on inner side of upper portion of column A of car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203020228U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104015670A (en) * | 2014-05-22 | 2014-09-03 | 浙江吉利控股集团有限公司 | Skeleton type expanding rubber block arranged in stand column of vehicle |
-
2012
- 2012-12-13 CN CN 201220690884 patent/CN203020228U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104015670A (en) * | 2014-05-22 | 2014-09-03 | 浙江吉利控股集团有限公司 | Skeleton type expanding rubber block arranged in stand column of vehicle |
| CN104015670B (en) * | 2014-05-22 | 2017-01-25 | 浙江吉利控股集团有限公司 | Skeleton type expanding rubber block arranged in stand column of vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20130626 Termination date: 20211213 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |