CN215408933U - Waterproof PET noise reduction pipeline - Google Patents
Waterproof PET noise reduction pipeline Download PDFInfo
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- CN215408933U CN215408933U CN202121665261.7U CN202121665261U CN215408933U CN 215408933 U CN215408933 U CN 215408933U CN 202121665261 U CN202121665261 U CN 202121665261U CN 215408933 U CN215408933 U CN 215408933U
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- waterproof
- pipe section
- straight tube
- felt
- noise reduction
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Abstract
The utility model provides a waterproof PET noise reduction pipeline, which comprises: straight tube section and waterproof U type pipeline section, the one end that straight tube section and air filter connecting pipe were kept away from to straight tube section and waterproof U type pipeline section through bellows fixed connection waterproof U type pipeline section, be equipped with two connection support grooves on the lateral wall of casing on the plastics, the one end of casing on the straight tube and the one end fixed connection of casing on the plastics, the one end of casing fixed welding casing under the straight tube on the plastics, the one end fixed welding of casing is under the straight tube the other end of casing on the straight tube, the casing is inside and outside bilayer structure on the U type, on the felt including outer felt fixed mounting, the effect that the air inlet pipeline that has the improvement to fall makes an uproar soaks waterproof performance has.
Description
Technical Field
The utility model belongs to the technical field of automobile accessories, and particularly relates to a waterproof PET noise reduction pipeline.
Background
With the improvement of living standard of people, the number of private vehicles is more and more, and the performance of the automobile is embodied in various aspects, wherein the influence of an air inlet system on the performance of one automobile is particularly critical.
Traditional PET falls the waterproof level of air inlet pipe of making an uproar and can't soak waterproofly at the level of shower water, and the experiment of wading of the cross country vehicle of high performance is very harsh, does not allow water to get into the pipeline below the surface of wading, and the pipe of making an uproar falls in ordinary PET material can't satisfy, and waterproof performance is relatively poor, influences vehicle operation safety.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the existing PET noise reduction air inlet pipe has poor waterproof performance in the background art, and provides a waterproof PET noise reduction pipeline which has the effect of improving the soaking waterproof performance of the noise reduction air inlet pipeline.
The technical scheme provided by the utility model is as follows:
a waterproof PET noise reduction pipe, comprising: the air filter comprises a straight pipe section and a waterproof U-shaped pipe section, wherein the straight pipe section and the waterproof U-shaped pipe section are fixedly connected through a corrugated pipe, and one end, far away from the straight pipe section, of the waterproof U-shaped pipe section is fixedly connected with one end of an air filter connecting pipe;
the straight pipe section comprises: the outer side wall of the plastic upper shell is provided with two connecting bracket grooves, one end of the straight tube upper shell is fixedly connected with one end of the plastic upper shell, the plastic upper shell is fixedly welded at one end of the straight tube lower shell, and one end of the straight tube upper shell is fixedly welded at the other end of the straight tube lower shell;
the waterproof U type pipeline section includes: the U-shaped upper shell and the U-shaped lower shell are in mirror symmetry with the U-shaped upper shell, and the U-shaped upper shell is of an inner-layer structure and an outer-layer structure;
the U-shaped upper housing includes: the inner felt and the outer felt are fixedly arranged on the inner felt.
Preferably, one end of the corrugated pipe close to the waterproof U-shaped pipe section is fixedly sleeved with a PET joint.
Preferably, a rubber ring is fixedly arranged inside the connecting bracket.
Preferably, the inner arm of the rubber ring is embedded with a bushing.
Preferably, the inner felt has an areal density of 1800 to 3200g/m2。
Preferably, the outer felt has an areal density of 700 to 1200g/m2。
Preferably, the inner felt and the outer felt are formed by hot pressing.
The beneficial effects of the utility model are embodied in the following aspects:
1. according to the utility model, after the air inlet is subjected to noise reduction treatment through the straight pipe section at the front end of the air inlet and passes through the waterproof U-shaped pipe section at the rear part, because the upper shell and the lower shell of the waterproof U-shaped pipe section both adopt inner and outer felt hot-press forming structures with different surface densities, the high-density inner felt is beneficial to improving the overall soaking waterproof performance of the air inlet pipeline, the low-density outer felt can absorb sound, the high-density inner felt and the low-density outer felt are arranged at the front end of the air filter connecting pipe after hot-press forming, the noise reduction is facilitated, the soaking waterproof performance is improved, the air filter element is prevented from being wetted, and the running safety of a vehicle is further facilitated.
Drawings
FIG. 1 is an exploded view of the structure of the present invention;
fig. 2 is a schematic structural diagram of the present invention.
In the figure: the plastic upper shell, the straight tube lower shell, the straight tube upper shell, the straight tube upper shell, the straight tube.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the utility model by referring to the description text.
As shown in fig. 1-2, the present invention provides a waterproof PET noise reduction pipeline, comprising: the waterproof U-shaped pipe comprises a straight pipe section and a waterproof U-shaped pipe section, wherein the straight pipe section is fixedly connected with the waterproof U-shaped pipe section through a corrugated pipe 7, and a PET (polyethylene terephthalate) joint 8 is fixedly sleeved at one end, close to the waterproof U-shaped pipe section, of the corrugated pipe 7, so that the connection airtightness of the waterproof U-shaped pipe section and the straight pipe section is guaranteed. One end of the waterproof U-shaped pipe section, which is far away from the straight pipe section, is fixedly connected with one end of the air filter connecting pipe;
the straight pipe section comprises: the straight pipe air inlet device comprises an upper plastic shell 1, an upper straight pipe shell 3 and a lower straight pipe shell 2, wherein two connecting bracket grooves 4 are formed in the outer side wall of the upper plastic shell 1, and are beneficial to facilitating the fixed installation of an air inlet pipeline, rubber rings 5 are fixedly installed inside the connecting bracket grooves 4, and bushings 6 are embedded in the inner arms of the rubber rings 5, so that the overall stability of the air inlet pipeline is improved;
the waterproof U type pipeline section includes: the device comprises a U-shaped upper shell 9 and a U-shaped lower shell 10 which is in mirror symmetry with the U-shaped upper shell 9, wherein the U-shaped upper shell 9 is of an inner-outer double-layer structure;
the U-shaped upper case 9 includes: the felt comprises an inner felt 12 and an outer felt 11, wherein the outer felt 11 is fixedly arranged on the inner felt 12, and the areal density of the inner felt 12 is 1800-3200 g/m2Is beneficial to ensuring that water is prevented from entering the interior of the waterproof U-shaped pipe section after the air inlet is externally soaked, further preventing the water from entering the hollow filter element, ensuring the running safety of the vehicle, and ensuring that the surface density of the outer felt 11 is 700-1200 g/m2The waterproof noise-absorbing material is beneficial to further absorbing noise while preventing water, and improves the noise reduction effect.
The working principle of the utility model is as follows: according to the utility model, after the air inlet is subjected to noise reduction treatment through the straight pipe section at the front end of the air inlet and passes through the waterproof U-shaped pipe section at the rear part, because the upper shell and the lower shell of the waterproof U-shaped pipe section both adopt inner and outer felt 11 hot press forming structures with different surface densities, the high-density inner felt 12 is beneficial to improving the integral soaking waterproof performance of the air inlet pipeline, the low-density outer felt 11 can absorb sound, the inner felt and the outer felt are arranged at the front end of the air filtering connecting pipe 13 after being subjected to hot press forming, and the soaking waterproof performance is improved while the noise is reduced, specifically:
external air enters the straight pipe section of the pipeline through one end of the plastic upper shell 1 of the straight pipe section, the straight pipe section in the pipeline is a part above a wading surface and does not involve the soaking of external water, so the conventional PET material and PP-TD20 material are selected, a certain noise reduction effect is realized on an air inlet end, air enters the waterproof U-shaped pipe section after passing through the straight pipe section, the upper shell and the lower shell of the waterproof U-shaped pipe section are both of a double-layer structure of an inner felt 12 and an outer felt 11, and the surface density of the outer felt 11 is 700-1200 g/m2The surface density of the inner felt 12 is 1800-3200 g/m2The different areal density, outer felt 11 density is great relatively, is of value to improving the sound absorption performance of waterproof U type pipeline section, and interior felt 12 areal density is great relatively, is of value to improving the waterproof ability of waterproof U type pipe below the wading surface when 11 sound absorptions of outer felt, is of value to avoiding in the lower water entering pipeline of wading surface, drenches the filter core, is of value to guaranteeing vehicle operation safety.
While embodiments of the utility model have been disclosed above, it is not intended to be limited to the uses set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. It is therefore intended that the utility model not be limited to the exact details and illustrations described and illustrated herein, but fall within the scope of the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a pipeline of making an uproar falls in waterproof PET which characterized in that includes: the air filter comprises a straight pipe section and a waterproof U-shaped pipe section, wherein the straight pipe section and the waterproof U-shaped pipe section are fixedly connected through a corrugated pipe, and one end, far away from the straight pipe section, of the waterproof U-shaped pipe section is fixedly connected with one end of an air filter connecting pipe;
the straight pipe section comprises: the outer side wall of the plastic upper shell is provided with two connecting bracket grooves, one end of the straight tube upper shell is fixedly connected with one end of the plastic upper shell, the plastic upper shell is fixedly welded at one end of the straight tube lower shell, and one end of the straight tube upper shell is fixedly welded at the other end of the straight tube lower shell;
the waterproof U type pipeline section includes: the U-shaped upper shell and the U-shaped lower shell are in mirror symmetry with the U-shaped upper shell, and the U-shaped upper shell is of an inner-layer structure and an outer-layer structure;
the U-shaped upper housing includes: the inner felt and the outer felt are fixedly arranged on the inner felt.
2. The waterproof PET noise reduction pipeline according to claim 1, wherein a PET joint is fixedly sleeved on one end of the corrugated pipe close to the waterproof U-shaped pipe section.
3. The waterproof PET noise reduction pipeline according to claim 2, wherein a rubber ring is fixedly installed inside the connecting bracket.
4. The waterproof PET noise reduction pipeline according to claim 3, wherein the inner arm of the rubber ring is embedded with a lining.
5. The waterproof PET noise reduction pipeline according to claim 4, wherein the areal density of the inner felt is 1800-3200 g/m2。
6. The waterproof PET noise reduction pipeline according to claim 5, characterized in that the surface density of the outer felt is 700-1200 g/m2。
7. The waterproof PET noise reduction pipeline according to claim 6, wherein the inner felt and the outer felt are formed by hot pressing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121665261.7U CN215408933U (en) | 2021-07-21 | 2021-07-21 | Waterproof PET noise reduction pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121665261.7U CN215408933U (en) | 2021-07-21 | 2021-07-21 | Waterproof PET noise reduction pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215408933U true CN215408933U (en) | 2022-01-04 |
Family
ID=79651972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121665261.7U Active CN215408933U (en) | 2021-07-21 | 2021-07-21 | Waterproof PET noise reduction pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215408933U (en) |
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2021
- 2021-07-21 CN CN202121665261.7U patent/CN215408933U/en active Active
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