CN214221371U - Automobile noise reduction air inlet pipe - Google Patents
Automobile noise reduction air inlet pipe Download PDFInfo
- Publication number
- CN214221371U CN214221371U CN202023154098.6U CN202023154098U CN214221371U CN 214221371 U CN214221371 U CN 214221371U CN 202023154098 U CN202023154098 U CN 202023154098U CN 214221371 U CN214221371 U CN 214221371U
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- China
- Prior art keywords
- air inlet
- noise reduction
- shell
- pipe
- lower shell
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- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The utility model provides an automobile noise reduction intake pipe, which comprises a shell assembly, wherein the shell assembly comprises an air inlet upper shell and an air inlet lower shell, the air inlet upper shell is arranged at the front side of the air inlet lower shell, the air inlet upper shell is clamped with the air inlet lower shell, the air inlet lower shell is provided with a connecting hole, and an embedded nut is sleeved inside the connecting hole of the air inlet lower shell; the casing subassembly cover is established around the denoising pipe subassembly tip, the casing subassembly sets up the one end at the denoising pipe subassembly, the denoising pipe subassembly other end is provided with gas outlet subassembly and shock attenuation piece, the denoising pipe subassembly includes casing and denoising pipe casing down on the denoising pipe, the utility model discloses can be under the prerequisite that has the good function of making an uproar of falling, better with the transmission of automobile body coupling reduction vibration noise, it is pleasing to the eye to have, practices thrift amortization component space, intensity is good, simultaneously the utility model discloses simple structure and easily realization have.
Description
Technical Field
The utility model relates to an automobile parts equipment technical field, in particular to car intake pipe of making an uproar falls.
Background
In order to meet the increasingly stringent requirements for automobile noise, the air inlet pipe of the automobile needs to be improved to reduce the noise of the air inlet, so that the passing noise of the whole automobile is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides an automobile noise reduction air inlet pipe, aiming at the defects existing in the prior art, and the automobile noise reduction air inlet pipe comprises a shell assembly, wherein the shell assembly comprises an air inlet upper shell and an air inlet lower shell, the air inlet upper shell is arranged at the front side of the air inlet lower shell, the air inlet upper shell is clamped with the air inlet lower shell, the air inlet lower shell is provided with a connecting hole, and an embedded nut is sleeved inside the connecting hole of the air inlet lower shell; the casing subassembly cover is established around noise reduction pipe assembly tip, the casing subassembly sets up the one end at noise reduction pipe assembly, the noise reduction pipe assembly other end is provided with gas outlet subassembly and shock attenuation piece, noise reduction pipe assembly includes that noise reduction pipe goes up casing and noise reduction pipe casing down.
Preferably, the damper sheet is provided on the support portion on the air outlet assembly.
Preferably, the air inlet upper shell, the air inlet lower shell and the air outlet assembly are made of polypropylene plastics, and the noise reduction pipe upper shell and the noise reduction pipe lower shell are made of polyester fiber hot-pressing sectional materials.
Preferably, the damping sheet is a sponge strip or a polyurethane foam with the density of 24 +/-2 Kg/m3And (4) preparing.
Preferably, the embedded nut is made of carbon structural steel, and the surface of the embedded nut is plated with a Dacromet layer.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a polyester fiber hot pressing section bar is made and is constituteed the noise reduction pipe subassembly, with the air inlet on casing, air inlet casing and gas outlet subassembly formation pipeline assembly down to assist embedded nut, shock attenuation piece, can have the fine prerequisite of making an uproar of falling under, better with the transmission of automobile body coupling reduction vibration noise, have pleasing to the eye, practice thrift the amortization component space, intensity is good, simultaneously the utility model has the advantages of simple structure and easily realization.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of a positional relationship between the lower shell of the air inlet and the embedded nut.
In the shown figures, the noise reduction tube comprises an air inlet upper shell 10, an air inlet lower shell 20, a noise reduction tube upper shell 30, a noise reduction tube lower shell 40, an air outlet assembly 50, an embedded nut 60 and a damping sheet 70.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
As shown in fig. 1-2, an automobile noise reduction air inlet pipe comprises a shell assembly, wherein the shell assembly comprises an air inlet upper shell 10 and an air inlet lower shell 20, the air inlet upper shell 10 is arranged on the front side of the air inlet lower shell 20, the air inlet upper shell 10 is clamped with the air inlet lower shell 20, the air inlet lower shell 20 is provided with a connecting hole, and an embedded nut 60 is sleeved inside the connecting hole of the air inlet lower shell 20; the casing subassembly cover is established around noise reduction tube subassembly tip, the casing subassembly sets up the one end at noise reduction tube subassembly, the noise reduction tube subassembly other end is provided with gas outlet subassembly 50 and shock attenuation piece 70, shock attenuation piece 70 sets up on the supporting part on gas outlet subassembly 50, shock attenuation piece 70 is 24 2Kg/m for sponge strip or polyurethane foaming density3The noise reduction pipe assembly comprises an upper noise reduction pipe shell 30 and a lower noise reduction pipe shell 40, the upper air inlet shell 10, the lower air inlet shell 20 and the air outlet assembly 50 are made of polypropylene plastics, the upper noise reduction pipe shell 30 and the lower noise reduction pipe shell 40 are made of polyester fiber hot-pressed section bars, the embedded nut 60 is made of carbon structural steel, and the surface of the embedded nut is plated with a Dacromet layer.
The connecting hole is arranged for installing the utility model on an engine, the embedded nut 60 sleeved inside the connecting hole is made of carbon structural steel and plated with a Dacromet structure on the surface, the shell component is fixedly installed, the damping sheet 70 is arranged on the supporting part of the air outlet component 50, the utility model is mutually isolated from the vibration between the installation seat by arranging the damping sheet 70, the noise reduction effect is achieved, the upper shell 30 of the noise reduction pipe and the lower shell 40 of the noise reduction pipe are made of polyester fiber cotton through the hot-press molding process, the polyester fiber cotton is changed into a polyester fiber hot-press section with certain stiffness after hot-pressing and has a porous structure, sound waves can penetrate through the porous structures on the upper shell 30 of the noise reduction pipe and the lower shell 40 of the noise reduction pipe, so that sound energy is converted into heat energy to achieve the effect of eliminating noise, and the noise reduction pipe component is made of the polyester fiber hot-press section, with the air inlet on casing 10, air inlet casing 20 and gas outlet subassembly 50 formation pipeline assembly down to assist embedded nut 60, shock attenuation piece 70, can have the good prerequisite of making an uproar under the function of making an uproar that falls that provides, better with the transmission of automobile body coupling reduction vibration noise, have pleasing to the eye, practice thrift the amortization component space, intensity is good, simultaneously the utility model discloses simple structure and easily realization have.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the applications listed in the specification and the examples. It can be applicable to various and be fit for the utility model discloses a field completely. Additional modifications will readily occur to those skilled in the art. The invention is therefore not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.
Claims (5)
1. The automobile noise reduction air inlet pipe is characterized by comprising a shell assembly, wherein the shell assembly comprises an air inlet upper shell and an air inlet lower shell, the air inlet upper shell is arranged on the front side of the air inlet lower shell, the air inlet upper shell is clamped with the air inlet lower shell, the air inlet lower shell is provided with a connecting hole, and an embedded nut is sleeved inside the connecting hole of the air inlet lower shell; the casing subassembly cover is established around noise reduction pipe assembly tip, the casing subassembly sets up the one end at noise reduction pipe assembly, the noise reduction pipe assembly other end is provided with gas outlet subassembly and shock attenuation piece, noise reduction pipe assembly includes that noise reduction pipe goes up casing and noise reduction pipe casing down.
2. The noise-reducing air inlet pipe for the automobile as claimed in claim 1, wherein the damping sheet is disposed on a supporting portion of the air outlet assembly.
3. The noise-reducing air inlet pipe for the automobile as claimed in claim 2, wherein the air inlet upper shell, the air inlet lower shell and the air outlet assembly are made of polypropylene plastic, and the noise-reducing pipe upper shell and the noise-reducing pipe lower shell are made of polyester fiber hot-pressed profiles.
4. The automobile noise reduction air inlet pipe according to claim 3, wherein the damping sheet is a sponge strip or a polyurethane foam with a density of 24 +/-2 Kg/m3And (4) preparing.
5. The noise reduction air inlet pipe for the automobile as claimed in claim 3, wherein the embedded nut is made of carbon structural steel and plated with a Dacromet layer on the surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023154098.6U CN214221371U (en) | 2020-12-24 | 2020-12-24 | Automobile noise reduction air inlet pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023154098.6U CN214221371U (en) | 2020-12-24 | 2020-12-24 | Automobile noise reduction air inlet pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214221371U true CN214221371U (en) | 2021-09-17 |
Family
ID=77704904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023154098.6U Active CN214221371U (en) | 2020-12-24 | 2020-12-24 | Automobile noise reduction air inlet pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214221371U (en) |
-
2020
- 2020-12-24 CN CN202023154098.6U patent/CN214221371U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |