阅读说明：本技术 一种用于汽车的进气管及消音管总成装置 (Air inlet pipe and silencing pipe assembly device for automobile ) 是由 柯瑞 刘金涛 柯勇 于 2021-11-12 设计创作，主要内容包括：本发明公开了一种用于汽车的进气管及消音管总成装置,属于汽车技术领域,其包括下壳体,所述下壳体的上表面与下沿条的下表面固定连接,所述下沿条的上表面与上沿条的下表面卡接,所述下壳体的内壁与安装环的表面搭接。该用于汽车的进气管及消音管总成装置,通过设置隔孔和磁环,随即连通管的气流导向歧管即可,同时发动机的运作噪音通过歧管和连通管传递,直至噪音进入到气密管内部,随即大量的震动被隔板和气密管吸附,并在真空仓与气密管的真空作用下对内部噪音进行一定的阻隔即可,这种方式能够对导入的气体噪音进行很好的消除,且发动机反向传导的噪音通过结构吸附配合真空的方式对其进行消除隔绝,以达到良好的隔音效果。(The invention discloses an air inlet pipe and silencer assembly device for an automobile, which belongs to the technical field of automobiles and comprises a lower shell, wherein the upper surface of the lower shell is fixedly connected with the lower surface of a lower bead, the upper surface of the lower bead is clamped with the lower surface of an upper bead, and the inner wall of the lower shell is lapped with the surface of a mounting ring. This an intake pipe and hush pipe assembly device for car, through setting up separating hole and magnetic ring, the air current direction manifold of communicating pipe immediately can, the operation noise of engine passes through manifold and communicating pipe transmission simultaneously, it is intraductal until the noise enters into airtight pipe, a large amount of vibrations are adsorbed by baffle and airtight pipe immediately, and carry out certain separation to inside noise under the vacuum effect of vacuum chamber and airtight pipe can, this kind of mode can carry out fine elimination to leading-in gas noise, and the noise of engine reverse conduction is eliminated it and is isolated through the mode that the structure adsorbs the cooperation vacuum, in order to reach good syllable-dividing effect.)

1. The utility model provides an intake pipe and hush pipe assembly device for car, includes casing (1) down, its characterized in that: the upper surface of the lower shell (1) is fixedly connected with the lower surface of the lower welt (3), the upper surface of the lower welt (3) is clamped with the lower surface of the upper welt (4), the inner wall of the lower shell (1) is lapped with the surface of the mounting ring (5), the inner wall of the mounting ring (5) is clamped with a limiting strip (6), the upper surface of the limiting strip (6) is lapped with the lower surface of the filter cotton (7), the surface of the filter cotton (7) is respectively lapped with the inner walls of the lower shell (1) and the upper shell (2), the left side surface of the lower shell (1) is communicated with the right end of the first air guide pipe (8), the left end of the first air guide pipe (8) is communicated with the right end of the second air guide pipe (15), the left end of the second air guide pipe (15) is communicated with the right end of the third air guide pipe (9), and the left end of the third air guide pipe (9) is clamped with the right end of the air guide pipe (10), the left end of the butt joint pipe (10) is clamped with the inner wall of the air collecting cover (11), the right end of the second air guide pipe (15) is communicated with the left end of the branch pipe (16), the right end of the branch pipe (16) is clamped on the left side surface of the inner wall of the lower shell (1), the right side surface of the upper shell (2) is communicated with the left end of the air outlet pipe (19), the front end of the air outlet pipe (19) is communicated with the front surface of the inner wall of the noise reduction bin (20), the front surface of the noise reduction bin (20) is communicated with one end of the back surface of the first guide pipe (23), one end of the front surface of the first guide pipe (23) is communicated with the back surface of the flow meter (24), the front surface of the flow meter (24) is communicated with one end of the back surface of the second guide pipe (25), the inner wall of the noise reduction bin (20) is clamped with the noise reduction ring (21), and the inner wall of the noise reduction ring (21) is provided with a plurality of node grooves (22), the left end of second pipe (25) and the right flank joint of vacuum storehouse (26) inner wall, the left surface joint of vacuum storehouse (26) inner wall has communicating pipe (27), communicating pipe (27) have same baffle (31) with the surface joint of second pipe (25), a plurality of separates hole (32) has been seted up to the left surface of baffle (31), the surface of baffle (31) and the inner wall fixed connection of airtight pipe (30), both ends are connected through the fixed surface of rubber lasso (29) and second pipe (25) and communicating pipe (27) respectively about airtight pipe (30).

2. The intake duct and silencer assembly device for an automobile according to claim 1, wherein: the left side of wind-collecting cover (11) and the right flank fixed connection of snap ring (12), the inner wall joint of snap ring (12) has wire net (13).

3. The intake duct and silencer assembly device for an automobile according to claim 1, wherein: the right end of the branch pipe (16) is arc-shaped and sealed, the inner wall of the vacuum chamber (26) is fixedly connected with the surface of the magnetic ring (33), the surface of the airtight pipe (30) is connected with a plurality of magnetic blocks (34) in a specified mode, and the magnetic pole directions of the surfaces of the magnetic blocks (34) and the inner wall of the magnetic ring (33) are the same.

4. The intake duct and silencer assembly device for an automobile according to claim 1, wherein: go up the back joint of casing (2) inner wall and have resonant tube (28), the positive one end of resonant tube (28) and the positive joint of vacuum storehouse (26) inner wall, the one end joint at resonant tube (28) back has spoiler (36), the surface of spoiler (36) is provided with a plurality of and hinders discharge orifice (37), resonant tube (28) positive one end joint has resonant membrane (38).

5. The intake duct and silencer assembly device for an automobile according to claim 4, wherein: the inner walls of the third air guide pipe (9), the second air guide pipe (15) and the first air guide pipe (8) are provided with a plurality of arc-shaped sheets (14), and the inner wall of the resonant pipe (28) is fixedly connected with a plurality of resonant sheets (35).

6. The intake duct and silencer assembly device for an automobile according to claim 1, wherein: the upper surface of the upper shell (2) is provided with a plurality of guide grooves (18), and the right end of the branch pipe (16) is provided with a plurality of branch holes (17).

Technical Field

The invention belongs to the technical field of automobiles, and particularly relates to an air inlet pipe and silencing pipe assembly device for an automobile.

Background

The vehicle air intake is typically located in the engine compartment, and the air intake manifold, which is connected to the air intake duct, is visible after the engine cover is opened. The positions of air inlets of different vehicle types are different, some air inlets are arranged in front of the engine, and some air inlets are arranged behind the engine, so that the positions and the shapes of different vehicles can be different. However, the same is true, and generally in the engine compartment, the intake pipe is divided into an intake manifold and an intake manifold. The air inlet main pipe is generally a plastic hose, and the diameter of the pipeline is larger; the intake manifold is generally formed by directly casting aluminum alloy, the number of the intake manifold is the same as that of cylinders of an engine, and the intake pipe refers to a section of pipeline from an air inlet to each cylinder through an air filter, and the section of pipeline is a main intake pipeline of the engine and is also a total intake pipeline. An intake manifold refers to the section of pipe through which air enters the cylinders from an intake manifold, with one intake manifold for each cylinder, and the air is distributed to the cylinders. The design of the intake manifold ensures that the intake distribution of each cylinder is reasonable and uniform. The air intake is the passage for air entering the engine block to the cylinder. The air intake passage mainly comprises a passage designed on a cylinder cover, and the tail end of the air intake passage is an air intake valve for controlling air intake. The intake pipe mainly provides a relatively sealed passage for air or combustible mixture taken in by the engine. The general sensor that is equipped with the measurement engine air input on air intake manifold, wherein the turbulent air current can appear when its gas passes through air intake manifold when present car intake pipe uses at first, makes its noise the biggest, and gas can produce certain gas pressure change in the filtering process simultaneously, causes certain noise, and gas if do not pass through amortization after filtering, makes its engine noise very easily appear the condition of conduction, makes its noise difficult to restrain.

Disclosure of Invention

Technical problem to be solved

In order to overcome the defects of the prior art, the invention provides an air inlet pipe and silencing pipe assembly device for an automobile, which solves the problems that the air of the existing automobile air inlet pipe is disordered when passing through an air inlet main pipe initially, so that the noise is maximum, meanwhile, certain air pressure change is generated in the air in the filtering process, certain noise is generated, and if the air is not subjected to silencing treatment after being filtered, the noise of an engine is easy to conduct, so that the noise is difficult to inhibit.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: an air inlet pipe and silencer assembly device for an automobile comprises a lower shell, wherein the upper surface of the lower shell is fixedly connected with the lower surface of a lower bead, the upper surface of the lower bead is clamped with the lower surface of an upper bead, the inner wall of the lower shell is in lap joint with the surface of an installation ring, the inner wall of the installation ring is clamped with a limit strip, the upper surface of the limit strip is in lap joint with the lower surface of filter cotton, the surface of the filter cotton is in lap joint with the inner walls of the lower shell and the upper shell respectively, the left side surface of the lower shell is communicated with the right end of a first air guide pipe, the left end of the first air guide pipe is communicated with the right end of a second air guide pipe, the left end of the second air guide pipe is communicated with the right end of a third air guide pipe, the left end of the third air guide pipe is clamped with the right end of a butt joint pipe, the left end of the butt joint pipe is clamped with the inner wall of an air collecting cover, and the right end of the second air guide pipe is communicated with the left end of a branch pipe, the right end of the branched pipe is clamped on the left side surface of the inner wall of the lower shell, the right side surface of the upper shell is communicated with the left end of the air outlet pipe, the front end of the air outlet pipe is communicated with the front surface of the inner wall of the noise reduction bin, the front surface of the noise reduction bin is communicated with one end of the back surface of the first guide pipe, the front surface of the first guide pipe is communicated with the back surface of the flow meter, the front surface of the flow meter is communicated with one end of the back surface of the second guide pipe, the inner wall of the noise reduction bin is clamped with a noise reduction ring, the inner wall of the noise reduction ring is provided with a plurality of node grooves, the left end of the second guide pipe is clamped with the right side surface of the inner wall of the vacuum bin, the left side surface of the inner wall of the vacuum bin is clamped with a communicating pipe, the communicating pipe and the surface of the second guide pipe are clamped with a same partition plate, the left side surface of the partition plate is provided with a plurality of partition holes, and the surface of the inner wall of the airtight pipe is fixedly connected with the airtight pipe, the left end and the right end of the airtight pipe are fixedly connected with the surfaces of the second guide pipe and the communicating pipe through rubber ferrules respectively.

As a further scheme of the invention: the left side of wind-collecting cover and the right flank fixed connection of snap ring, the inner wall joint of snap ring has the wire net.

As a further scheme of the invention: the right end of the branch pipe is in an arc-shaped sealing shape, the inner wall of the vacuum bin is fixedly connected with the surface of the magnetic ring, the surface of the airtight pipe is connected with a plurality of magnetic blocks in a specified mode, and the magnetic pole directions of the surfaces of the magnetic blocks and the inner wall of the magnetic ring are the same.

As a further scheme of the invention: go up shells inner wall's back joint and have the resonating tube, the positive one end of resonating tube and the positive joint of vacuum storehouse inner wall, the one end joint at the resonating tube back has the spoiler, the surface of spoiler is provided with a plurality of choked flow hole, the positive one end joint of resonating tube has the resonance membrane.

As a further scheme of the invention: the inner walls of the third air guide pipe, the second air guide pipe and the first air guide pipe are provided with a plurality of arc-shaped pieces, and the inner wall of the resonance pipe is fixedly connected with a plurality of resonance pieces.

As a further scheme of the invention: the upper surface of the upper shell is provided with a plurality of guide grooves, and the right end of the branch pipe is provided with a plurality of branch holes.

(III) advantageous effects

Compared with the prior art, the invention has the beneficial effects that:

1. the air inlet pipe and silencing pipe assembly device for the automobile is characterized in that a noise reduction bin, an air outlet pipe, a first guide pipe, a second guide pipe, a vacuum bin, a communicating pipe, an airtight pipe, a rubber ferrule, a partition plate, partition holes and a magnetic ring are arranged, when the device is used, air enters a lower shell along with the air, enters the upper shell after being filtered under the action of filter cotton, then enters the noise reduction bin through the air outlet pipe, flows through the inner wall of the noise reduction ring in the noise reduction bin, so that the air is matched with a node groove in the noise reduction ring to suppress noise in airflow, then enters the airtight pipe in the vacuum bin through the first guide pipe and the second guide pipe, then passes through a plurality of partition holes on the surface of the partition plate and enters the communicating pipe, then the airflow guide manifold of the communicating pipe can be used, and meanwhile, the operation noise of an engine is transmitted through the manifold and the magnetic ring, until the noise enters into the airtight pipe inside, a large amount of vibrations are adsorbed by baffle and airtight pipe immediately to carry out certain separation to inside noise under the vacuum effect of vacuum chamber and airtight pipe can, this kind of mode can carry out fine elimination to leading-in gas noise, and the noise of engine reverse conduction is eliminated it and is isolated through the mode of structure absorption cooperation vacuum, in order to reach good syllable-dividing effect.

2. The air inlet pipe and silencing pipe assembly device for the automobile is characterized in that a wind collecting cover, a butt joint pipe, a third air guide pipe, a second air guide pipe, a first air guide pipe, a branch pipe and a branch hole are arranged, when the device is used, the air flow filled into the wind collecting cover is the same and different along with the change of the speed of the automobile in the driving process of the automobile, then the air enters the third air guide pipe, the first air guide pipe and the third air guide pipe are straight-through type large-caliber pipelines with the lower shell, so that small airflow flows directly flow into the lower shell through the third air guide pipe, and the air flow keeps stable small airflow flow in the air flow process by matching with a plurality of arc-shaped sheets inside, the space of air turbulence is reduced, when the filled air amount is large, the right end of the first air guide pipe is in straight-line communication with the left end of the branch pipe, so that the pressure of the air is mainly gathered inside the branch pipe, the gas with the rest pressure continuously enters the lower shell through the second air guide pipe and the third air guide pipe, the flow rate of the gas in the branch hole is increased along with the increase of the gas in the branch pipe, and the noise is reduced.

3. The air inlet pipe and silencing pipe assembly device for the automobile is characterized in that the resonant pipe, the resonant plates, the spoilers, the spoiling holes and the resonant membrane are arranged, when the device is used, the resonant pipe is communicated with the upper shell, so that the filtered clean air in the upper shell is kept communicated with the air in the resonant pipe, the vibration of the air in the upper shell immediately enters the resonant pipe through the spoiling holes in the surfaces of the spoiling plates, the air vibrates to drive the resonant plates to vibrate synchronously, and the high-frequency vibration is generated on the surface of the resonant membrane in a matching manner, one side of the resonant membrane is communicated with the interior of the vacuum cabin, so that a large amount of vibration noise is kept isolated, and the mode can well eliminate and restrain noises such as the air vibration during filtering and the like during use.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic diagram of the explosive structure of the present invention;

FIG. 3 is a schematic cross-sectional view of the vacuum chamber of the present invention;

FIG. 4 is a schematic diagram of the explosion structure of the noise reduction bin of the present invention;

FIG. 5 is a schematic cross-sectional view of a resonator tube according to the present invention;

FIG. 6 is a schematic cross-sectional view of a front view of a branched pipe according to the present invention;

in the figure: 1 lower shell, 2 upper shell, 3 lower edge, 4 upper edge, 5 mounting ring, 6 spacing bar, 7 filter cotton, 8 first air guide pipe, 9 third air guide pipe, 10 butt joint pipe, 11 wind collecting cover, 12 snap ring, 13 steel wire mesh, 14 arc sheet, 15 second air guide pipe, 16 branch pipe, 17 branch hole, 18 guide groove, 19 air outlet pipe, 20 noise reduction bin, 21 noise reduction ring, 22 wave node groove, 23 first conduit, 24 flow meter, 25 second conduit, 26 vacuum bin, 27 communicating pipe, 28 resonance pipe, 29 rubber ferrule, 30 airtight pipe, 31 partition board, 32 partition hole, 33 magnetic ring, 34 magnetic block, 35 resonance sheet, 36 spoiler, 37 spoiler hole, 38 resonance film.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 6, the present invention provides a technical solution: an air inlet pipe and silencer assembly device for an automobile comprises a lower shell 1, wherein the upper surface of the lower shell 1 is fixedly connected with the lower surface of a lower bead 3, the upper surface of the lower bead 3 is clamped with the lower surface of an upper bead 4, the inner wall of the lower shell 1 is lapped with the surface of a mounting ring 5, the inner wall of the mounting ring 5 is clamped with a limiting strip 6, the upper surface of the limiting strip 6 is lapped with the lower surface of a filter cotton 7, the surface of the filter cotton 7 is respectively lapped with the inner walls of the lower shell 1 and an upper shell 2, the left side surface of the lower shell 1 is communicated with the right end of a first air guide pipe 8, the left end of the first air guide pipe 8 is communicated with the right end of a second air guide pipe 15, the left end of the second air guide pipe 15 is communicated with the right end of a third air guide pipe 9, the left end of the third air guide pipe 9 is clamped with the right end of a butt joint pipe 10, the left end of the butt joint pipe 10 is clamped with the inner wall of an air collecting hood 11, and the right end of the second air guide pipe 15 is communicated with the left end of a branch pipe 16, the right end of the branch pipe 16 is clamped on the left side surface of the inner wall of the lower shell 1, the right side surface of the upper shell 2 is communicated with the left end of the air outlet pipe 19, one end of the front surface of the air outlet pipe 19 is communicated with the front surface of the inner wall of the noise reduction bin 20, the front surface of the noise reduction bin 20 is communicated with one end of the back surface of the first guide pipe 23, one end of the front surface of the first guide pipe 23 is communicated with the back surface of the flow meter 24, the front surface of the flow meter 24 is communicated with one end of the back surface of the second guide pipe 25, the inner wall of the noise reduction bin 20 is clamped with the noise reduction ring 21, the inner wall of the noise reduction ring 21 is provided with a plurality of node grooves 22, the left end of the second guide pipe 25 is clamped with the right side surface of the inner wall of the vacuum bin 26, the left side surface of the inner wall of the vacuum bin 26 is clamped with the communicating pipe 27, the communicating pipe 27 and the surface of the second guide pipe 25 are clamped with the same partition plate 31, the left side surface of the partition plate 31 is provided with a plurality of partition holes 32, the inner wall of the airtight pipe 30, the left and right ends of the airtight tube 30 are fixedly connected to the surfaces of the second guide tube 25 and the communication tube 27 through rubber ferrules 29, respectively.

Specifically, as shown in fig. 1, 2 and 3, the left side surface of the wind collecting cover 11 is fixedly connected with the right side surface of the snap ring 12, the inner wall of the snap ring 12 is clamped with a steel wire mesh 13, the inner walls of the third air guide pipe 9, the second air guide pipe 15 and the first air guide pipe 8 are provided with a plurality of arc sheets 14, the inner wall of the resonance pipe 28 is fixedly connected with a plurality of resonance sheets 35, the upper surface of the upper shell 2 is provided with a plurality of guide grooves 18, the right end of the branch pipe 16 is provided with a plurality of branch holes 17, by providing the snap ring 12, the snap ring 12 and the inner steel wire mesh 13 can play a certain protection effect to prevent foreign matters from entering, by providing the arc sheets 14, the arc sheets 14 can maintain the stability of the internal air flow, firstly, the arc sheets 14 divide the interior into a plurality of channels, so that the air is difficult to generate turbulent flow and is more stable, and meanwhile, the inner wall thereof is an arc surface, so that the air flow is smoother, through setting up resonant chip 35, resonant chip 35 can cooperate the noise in the air to shake, reaches the effect of noise reduction, through setting up guide way 18, guide way 18 can keep leading out of the good of rivers, prevents that the top from gathering dirty.

Specifically, as shown in fig. 4, 5 and 6, the right end of the branch pipe 16 is arc-shaped and sealed, the inner wall of the vacuum chamber 26 is fixedly connected with the surface of a magnetic ring 33, the surface of the airtight pipe 30 is connected with a plurality of magnetic blocks 34 in a prescribed manner, the surface of the magnetic blocks 34 has the same magnetic pole direction as the inner wall of the magnetic ring 33, the back surface of the inner wall of the upper casing 2 is clamped with the resonance pipe 28, one end of the front surface of the resonance pipe 28 is clamped with the front surface of the inner wall of the vacuum chamber 26, one end of the back surface of the resonance pipe 28 is clamped with a baffle plate 36, the surface of the baffle plate 36 is provided with a plurality of baffle holes 37, one end of the front surface of the resonance pipe 28 is clamped with a resonance membrane 38, the branch pipe 16 is arranged and is in a direct communication manner when the air pressure of the branch pipe 16 is higher, so that the air flow of the branch pipe is more stable, the branch holes 17 on the surface can emit noise when the air flows, the airtight pipe 30 can be well limited by the arrangement of the magnetic ring 33 and the magnetic block 34, by providing the baffle hole 37, the baffle hole 37 can reduce the flow of gas, and reduce the influence of the flow while maintaining communication.

The working principle of the invention is as follows:

s1, when the automobile air-collecting hood is used, along with the change of the automobile speed in the running process of the automobile, the flow rate of gas filled into the position of the air-collecting hood 11 is also different, and then the gas enters the third air guide pipe 9, because the first air guide pipe 8 and the third air guide pipe 9 are straight-through type large-caliber pipelines with the lower shell 1, the smaller airflow flows directly to the inner part of the lower shell 1 through the third air guide pipe 9, and the airflow keeps stable small flow rate flow by matching with a plurality of arc-shaped sheets 14 in the air flowing process, so that the space of air turbulence is reduced;

s2, when the gas amount is large, the right end of the first air guiding pipe 8 is in straight line communication with the left end of the branch pipe 16 along with the action of the air pressure, so that the pressure of the gas is mainly converged in the branch pipe 16, the rest pressure gas continuously enters the lower shell 1 through the second air guide pipe 15 and the third air guide pipe 9, when the air-tight noise reduction device is used, along with the fact that air enters the lower shell 1, is filtered under the action of the filter cotton 7 and then enters the upper shell 2, then enters the noise reduction bin 20 through the air outlet pipe 19, flows through the inner wall of the noise reduction ring 21 in the noise reduction bin 20, enables the air to inhibit noise in air flow under the action of the air matched with the node groove 22 in the noise reduction ring 21, then enters the air-tight pipe 30 in the vacuum bin 26 through the first guide pipe 23 and the second guide pipe 25, and then enters the communicating pipe 27 through the plurality of partition holes 32 in the surface of the partition plate 31;

s3, guiding the airflow of the communicating tube 27 to the manifold, transmitting the operation noise of the engine through the manifold and the communicating tube 27 until the noise enters the airtight tube 30, absorbing a large amount of vibration by the separating plate 31 and the airtight tube 30, blocking the internal noise under the vacuum action of the vacuum chamber 26 and the airtight tube 30, communicating the resonant tube 28 with the upper shell 2, keeping the clean air filtered inside the upper shell 2 in a communicating state with the air inside the resonant tube 28, allowing the vibration of the air inside the upper shell 2 to enter the resonant tube 28 through the blocking hole 37 on the surface of the blocking plate 36, allowing the air vibration to drive a plurality of resonant plates 35 to vibrate synchronously, and matching with the high-frequency vibration on the surface of the resonant membrane 38, communicating one side of the resonant membrane 38 with the inside of the vacuum chamber 26, keeping the isolation of a large amount of vibration noise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.