CN205202901U - Car cavity is sealed to inflation body - Google Patents
Car cavity is sealed to inflation body Download PDFInfo
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- CN205202901U CN205202901U CN201520941368.8U CN201520941368U CN205202901U CN 205202901 U CN205202901 U CN 205202901U CN 201520941368 U CN201520941368 U CN 201520941368U CN 205202901 U CN205202901 U CN 205202901U
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- sealed
- expanding material
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Abstract
The utility model relates to an auto part, a car cavity is sealed to inflation body in a special design car NVH field. Including support, expanding material, the support is the slice that irregularly appears, is equipped with the one or more buckle at the support up end, and the symmetry is equipped with three rows of several pillars on the front -back of support, is equipped with several electrophoresis hole between per two rows several pillars respectively, the expanding material parcel is around the support and on the front -back. The utility model has the advantages that: can not remain that electrophoresis liquid, assembling process are simple, simple to operate, location be accurate, sealed effectual. Density behind the high temperature expansion is very low, and the product is difficult for droing when using, safe and reliable.
Description
Technical field
The utility model relates to a kind of vehicular spare parts, a kind of automobile cavity sealing expansion body in a kind of auto NVH field of special design.
Background technology
In recent years, along with the progress of auto manufacturing technology, people more and more pay close attention to the control of manned vehicle internal car noise and vibration, and the level of control of internal car noise has become one of important symbol weighing manned vehicle quality.The factor affecting internal car noise is very many, relates to the links of car load, and one of them above the fold is, the body side wall after having welded exists the casing strength beam structure that some are closed, as A, B, C post, and threshold, front wall and gusset etc.These bodywork cavities, except transmitting car external noise, are made an uproar as engine noise, freeing pipe noise, wind and outside tire makes an uproar, when galloping, also can produce high velocity air in these cavitys.
For this problem, technical personnel adopts steric block technology to body side wall inside, makes gusset internal cavities discontinuous, thus reaches cavity blocking-up, controls the circulation of air and pass-by noise, reduces the transmission of air circulation and noise.The material of automobile bypass seal generally has sponge, expansion film and three-dimensional preforming expansion glue etc.Wherein the middle part of three-dimensional preforming expansion glue is that high-temperature resistance plastice mold members is as PA66, what border was installed is that expandable polyolefin is as EVA, at high temperature intumescent filler cavity, this part is generally designed with one or more installation buckle, can directly be fixed on Metal Sheets for Body-manufacturing, shortcoming is that the high-temperature resistance plastice mold members of middle part has groove, usually retain electrophoresis liquid, if and retain electrophoresis liquid and can not discharge timely, except causing altering except each bath parameters of liquid problems affect whole piece paint line, also can badly influence the stability of electrophoresis groove liquid, electrodeposited paint film performance etc., long-term so final consequence will be cause electrophoresis groove liquid to be scrapped, cause great economic loss.
Summary of the invention
In view of the present situation of prior art, the utility model on the basis not changing three-dimensional preforming expansion glue sealing property, provide a kind of can not the automobile cavity sealing expansion body of residual electrophoretic fluid.
The utility model for achieving the above object, the technical scheme adopted is: a kind of automobile cavity sealing expansion body, it is characterized in that: comprise support, expanding material, described support is irregular shape sheet, one or more buckle is provided with in pedestal upper end face, the front-back of support is arranged with a three rows pillar, between every two rows pillar, is respectively equipped with several electrophoresis hole; On the surrounding that described expanding material is wrapped in support and front-back.
The utility model has the advantages that: can not simple, easy for installation, the accurate positioning of residual electrophoretic fluid, fitting process, good sealing effect.Density after high-temperature expansion is very low, difficult drop-off, safe and reliable when product uses.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is supporting structure schematic diagram of the present utility model.
Detailed description of the invention
Below in conjunction with specific embodiment, structure of the present utility model is described further.
As shown in Figure 1, 2, a kind of automobile cavity sealing expansion body, comprises support 1, expanding material 2.
Support 1 is irregular shape sheet, is provided with one or more buckle 1-1 in support 1 upper surface, and the front-back of support 1 is arranged with a three rows pillar 1-2, between every two rows pillar 1-2, be respectively equipped with several electrophoresis hole 1-3.
Shape, the size of the shape of utility model, size and automobile cavity adapt, and design according to the shape of automobile cavity, size.
On the surrounding that expanding material 2 is wrapped in support 1 and front-back.
Support 1 buckle 1-1 can have one or more, sets as required, and support 1 is nylon 66 material.
Expanding material 2 is expandable polyolefin, as EVA, PP etc. add the expander that foaming agent, crosslinking agent, extending agent etc. mix, at high temperature can be expanded foamed, and blowing temperature is 140 ~ 200 DEG C, and its expansion ratio is between 6 ~ 30 times.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the technical solution of the utility model, every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all still belong in the scope of the technical solution of the utility model.
Claims (1)
1. an automobile cavity sealing expansion body, it is characterized in that: comprise support (1), expanding material (2), described support (1) is sheet, one or more buckle (1-1) is provided with in support (1) upper surface, the front-back of support (1) is arranged with a three row pillar (1-2), between every two rows pillar (1-2), is respectively equipped with several electrophoresis hole (1-3); On the surrounding that described expanding material (2) is wrapped in support (1) and front-back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520941368.8U CN205202901U (en) | 2015-11-24 | 2015-11-24 | Car cavity is sealed to inflation body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520941368.8U CN205202901U (en) | 2015-11-24 | 2015-11-24 | Car cavity is sealed to inflation body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205202901U true CN205202901U (en) | 2016-05-04 |
Family
ID=55840635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520941368.8U Active CN205202901U (en) | 2015-11-24 | 2015-11-24 | Car cavity is sealed to inflation body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205202901U (en) |
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2015
- 2015-11-24 CN CN201520941368.8U patent/CN205202901U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |