CN217356081U - Automobile air inlet silencing equipment - Google Patents
Automobile air inlet silencing equipment Download PDFInfo
- Publication number
- CN217356081U CN217356081U CN202123449876.9U CN202123449876U CN217356081U CN 217356081 U CN217356081 U CN 217356081U CN 202123449876 U CN202123449876 U CN 202123449876U CN 217356081 U CN217356081 U CN 217356081U
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- CN
- China
- Prior art keywords
- silencing
- air pipe
- sleeve
- shell
- air
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000030279 gene silencing Effects 0.000 title claims abstract description 61
- 229920000742 Cotton Polymers 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 14
- 230000003584 silencer Effects 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000001743 silencing effect Effects 0.000 abstract description 4
- 210000003437 trachea Anatomy 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The utility model relates to an automobile air inlet silencing equipment, which comprises a shell, a first air pipe arranged on one side of the shell and a second air pipe arranged on the other side of the shell, wherein the inner cavity of the shell is a silencing cavity communicated with the first air pipe and the second air pipe, a silencing sleeve is arranged in the silencing cavity, an annular clamping plate is arranged on the inner wall of the shell, an annular clamping groove is arranged on the side surface of the annular clamping plate, an annular supporting plate is arranged at the end part of the silencing sleeve, when the silencing sleeve is arranged, the annular supporting plate is clamped with the annular clamping groove, the caliber of the inner cavity of the silencing sleeve is gradually enlarged from one end close to the first air pipe to one end close to the second air pipe, a flaring is adopted in the silencing sleeve, the silencing cotton is used as the quality, in addition, the caliber of the silencing sleeve is far larger than that of the first air pipe, after the gas in the first air pipe enters the silencing sleeve, because the caliber is suddenly enlarged, a good silencing effect is achieved, the structural design of the silencing sleeve plays a role in silencing assistance, and the silencing effect is further improved.
Description
Technical Field
The utility model belongs to the technical field of machine parts and specifically relates to an automobile amortization equipment that admits air is related to.
Background
The muffler is generally referred to as a muffler. The silencer is a noise reduction device for an airflow pipeline with noise transmission, such as a pipeline and an elbow with sound absorption linings or a pipeline with suddenly changed sectional area and other discontinuous acoustic impedances. Use the car suction pipe of admitting air as the example, in order to reduce the car suction pipe's the noise of admitting air, generally can install the muffler on the suction pipe of admitting air of car, the muffler mainly includes the pipeline of two symmetries and sets up the cavity at the middle part, the diameter of cavity is far greater than tracheal bore, current muffler mainly reaches noise cancelling effect through the principle of cavity cross-section sudden change, however, during the in-service use, still there is not good enough problem of noise cancelling effect, this patent further improves the structure of muffler.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an automobile air inlet silencing equipment.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
an automobile air inlet silencing device comprises a shell, a first air pipe and a second air pipe, wherein the first air pipe is arranged on one side of the shell, the second air pipe is arranged on the other side of the shell, an inner cavity of the shell is a silencing cavity, the silencing cavity is communicated with the first air pipe and the second air pipe, a silencing sleeve is arranged in the silencing cavity, and two ends of the silencing sleeve are open and the interior of the silencing sleeve is hollow;
the inner wall of the shell is provided with an annular clamping plate, the side face of the annular clamping plate is provided with an annular clamping groove, and the end part of the silencing sleeve is provided with an annular supporting plate which is clamped with the annular clamping groove.
Further, the bore of the inner cavity of the silencing sleeve is more than 5 times of the bore of the first air pipe.
Furthermore, the first air pipe and the second air pipe are connected with the automobile air inlet suction pipe, and the first air pipe is close to the front end of the automobile air inlet suction pipe.
Further, the bore of the inner cavity of the silencing sleeve is gradually enlarged from one end close to the first air pipe to one end close to the second air pipe.
Further, the material of amortization cover is the amortization cotton.
Further, the one end opening of casing, second trachea fixed connection closing cap is equipped with sealed boss on the global of closing cap, the port department of casing be equipped with sealed draw-in groove that sealed boss corresponds, the closing cap is installed in the port department of casing and is welded.
Further, the shell, the silencing sleeve, the first air pipe and the second air pipe are coaxial.
The utility model has the advantages that: the structure is characterized in that a silencing sleeve is arranged in a silencing cavity of a shell, an annular clamping plate is arranged on the inner wall of the shell, an annular clamping groove is formed in the side face of the annular clamping plate, an annular supporting plate is arranged at the end part of the silencing sleeve, when the silencing sleeve is installed, the annular supporting plate is clamped with the annular clamping groove, the caliber of an inner cavity of the silencing sleeve is gradually enlarged from one end close to a first air pipe to one end close to a second air pipe, an expanding opening is adopted in the silencing sleeve, the silencing cotton is used as the inner cavity of the silencing sleeve, the caliber of the inner cavity of the silencing sleeve is far larger than that of the first air pipe, after gas in the first air pipe enters the silencing sleeve, due to the fact that the caliber is suddenly enlarged, a good silencing effect is achieved, the structural design of the silencing sleeve achieves a silencing auxiliary effect, and the silencing effect is further improved;
in addition, the one end opening of casing, second trachea fixed connection closing cap is equipped with sealed boss on the global of closing cap, the port department of casing be equipped with sealed draw-in groove that sealed boss corresponds, the closing cap is installed and is welded in the port department of casing, and the closing cap makes things convenient for the dismouting, opens the closing cap after, makes things convenient for the amortization cover at casing internally mounted.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic cross-sectional view of the present invention;
fig. 3 is an assembly diagram of the present invention.
Detailed Description
As shown in fig. 1 to 3, an automobile air intake silencing apparatus comprises a housing 1, a first air pipe 2 installed at one side of the housing 1 and a second air pipe 3 installed at the other side of the housing 1, wherein an inner cavity of the housing 1 is a silencing cavity, the silencing cavity is communicated with the first air pipe 2 and the second air pipe 3, a silencing sleeve 4 is arranged in the silencing cavity, and two ends of the silencing sleeve 4 are open and are hollow;
be equipped with annular joint board 5 on the inner wall of casing 1, the side of annular joint board 5 is equipped with ring groove 6, and the tip of amortization cover 4 is equipped with annular support plate 7, and annular support plate 7 and 6 blocks of ring groove, and the amortization cover 4 installation is firm.
Wherein, the bore of the inner cavity of the silencing sleeve 4 is more than 5 times of the bore of the first air pipe 2. The first air pipe 2 and the second air pipe 3 are connected with an automobile air inlet suction pipe, and the first air pipe 2 is close to the front end of the automobile air inlet suction pipe. The shell 1, the silencing sleeve 4, the first air pipe 2 and the second air pipe 3 are coaxial, and the caliber of an inner cavity of the silencing sleeve 4 is gradually enlarged from one end close to the first air pipe 2 to one end close to the second air pipe 3. The material of the silencing cover 4 is silencing cotton.
In addition, one end of the shell 1 is opened, the second air pipe 3 is fixedly connected with the sealing cover 8, the sealing boss 9 is arranged on the circumferential surface of the sealing cover 8, the sealing clamping groove 10 corresponding to the sealing boss 9 is arranged at the port of the shell 1, the sealing cover 8 is installed at the port of the shell 1 and welded, the sealing cover 8 is convenient to disassemble and assemble, and the silencing sleeve 4 is convenient to install inside the shell 1 after the sealing cover 8 is opened.
The casing amortization intracavity of this structure is equipped with amortization cover 4, be equipped with annular joint board 5 on the inner wall of casing 1, the side of annular joint board 5 is equipped with ring groove 6, the tip of amortization cover 4 is equipped with annular support plate 7, when the installation of amortization cover 4, annular support plate 7 and 6 blocks of ring groove, the one end that is close to second trachea 3 is followed to the inner chamber bore of amortization cover 4 enlarges gradually from the one end that is close to first trachea 2, the inside of amortization cover 4 adopts flaring and matter to be the amortization cotton, furthermore, the inner chamber bore of amortization cover 4 is far greater than the bore of first trachea 2, gaseous entering amortization cover 4 back in the first trachea 2, because bore grow suddenly, fine noise cancelling effect has been played, the structural design of amortization cover 4 has played amortization auxiliary action, the noise cancelling effect has further been improved.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. An automobile air inlet silencing device comprises a shell, a first air pipe and a second air pipe, wherein the first air pipe is arranged on one side of the shell, the second air pipe is arranged on the other side of the shell, the automobile air inlet silencing device is characterized in that an inner cavity of the shell is a silencing cavity, the silencing cavity is communicated with the first air pipe and the second air pipe, a silencing sleeve is arranged in the silencing cavity, and two ends of the silencing sleeve are opened and are hollow;
the inner wall of the shell is provided with an annular clamping plate, the side face of the annular clamping plate is provided with an annular clamping groove, and the end part of the silencing sleeve is provided with an annular supporting plate which is clamped with the annular clamping groove.
2. The automobile air intake silencer assembly of claim 1, wherein the bore of the inner chamber of the silencer housing is greater than 5 times the bore of the first air pipe.
3. The vehicle intake silencer assembly of claim 1 or 2, wherein the first and second air pipes are connected to a vehicle intake suction pipe, and the first air pipe is located near a front end of the vehicle intake suction pipe.
4. The vehicle air intake silencer assembly of claim 3, wherein the bore of the inner chamber of the silencer sleeve gradually increases from the end near the first air pipe to the end near the second air pipe.
5. The automobile air intake silencer assembly of claim 4, wherein the silencing cover is made of silencing cotton.
6. The automobile air intake silencer according to claim 4, wherein one end of the housing is open, the second air pipe is fixedly connected with a sealing cover, sealing bosses are arranged on the peripheral surface of the sealing cover, sealing clamping grooves corresponding to the sealing bosses are arranged at the port of the housing, and the sealing cover is installed at the port of the housing and welded.
7. The vehicle intake silencer assembly of claim 4, wherein the housing, the silencer sleeve, the first air duct, and the second air duct are coaxial.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122167525 | 2021-09-08 | ||
| CN2021221675252 | 2021-09-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217356081U true CN217356081U (en) | 2022-09-02 |
Family
ID=83043098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123449876.9U Active CN217356081U (en) | 2021-09-08 | 2021-12-31 | Automobile air inlet silencing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217356081U (en) |
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2021
- 2021-12-31 CN CN202123449876.9U patent/CN217356081U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |