Anti-corrosion automobile silencer

Abstract

The utility model relates to the technical field of automobile silencers, in particular to an anti-corrosion automobile silencer which comprises a shell and a silencing assembly, the silencing assembly comprises an air inlet pipe, a first partition plate, a second partition plate, a third partition plate, a guide pipe and an air outlet pipe, a pipeline for conveying tail gas is arranged to be of a straight-through structure, so that the circulation resistance of the tail gas is reduced, and the service life of the pipeline is prolonged. And the problems that in the prior art, due to the fact that the cooling pipe is bent too many, the exhaust resistance of an engine is increased, the flow speed and pressure of gas are reduced, and the efficiency of the engine is reduced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile mufflers, in particular to an anti-corrosion automobile muffler. Background Art

[0002] Automobile mufflers work by canceling out each other when sound waves interfere with each other when they are superimposed, thereby reducing the sound intensity and making the sound smaller, thus achieving the effect of silencing. However, the automobile mufflers currently on the market are not only complex in structure, but also single in function. They cannot separate the moisture in the exhaust gas. Long-term moist exhaust gas in the resonance cavity will cause the muffler body to rust and reduce its service life.

[0003] Prior art CN207195011U discloses an anti-corrosion automobile muffler, comprising an automobile muffler body, an air inlet is installed on one side of the automobile muffler body, an air outlet is installed on the other side, muffler cotton is arranged on the inner wall of the automobile muffler body, and a water bath cooling chamber is arranged inside the automobile muffler body, a cooling pipe is arranged at the bottom of the water bath cooling chamber, an end of the cooling pipe away from the air inlet is connected to a dewatering grille, a connecting pipe is installed above the dewatering grille, and a first partition is arranged on the side of the dewatering grille away from the water bath cooling chamber. The utility model is provided with a dewatering grille, when the exhaust gas with liquid foam rises at a certain speed, when passing through the metal wire mesh on the grille, due to the inertia of the rising liquid foam, the liquid foam collides with the filaments and adheres to the surface of the filaments, so that the moisture in the exhaust gas can be separated, ensuring that dry exhaust gas enters the resonance cavity and will not cause the muffler body to rust.

[0004] With regard to the prior art anti-corrosion automobile muffler, since the cooling pipe has too many bends, the exhaust resistance of the engine is increased, the flow rate and pressure of the gas are reduced, and the efficiency of the engine is reduced. Utility Model Content

[0005] The utility model aims to provide an anti-corrosion automobile muffler, which solves the problem in the prior art that too many bends in the cooling pipe increase the exhaust resistance of the engine, reduce the flow rate and pressure of the gas, and cause the efficiency of the engine to decrease.

[0006] To achieve the above-mentioned purpose, the utility model provides an anti-corrosion automobile silencer, including a shell and a silencer assembly, the silencer assembly including an intake pipe, a first baffle, a second baffle, a third baffle, a guide pipe and an exhaust pipe, the intake pipe extends into the shell and is fixedly connected to the shell, the first baffle is fixedly connected to the shell and is located in the shell and is fixedly connected to the intake pipe, the second baffle is fixedly connected to the shell and is located on a side of the shell close to the first baffle and is fixedly connected to the intake pipe, the third baffle is fixedly connected to the shell and is located on a side of the shell close to the second baffle, the exhaust pipe extends into the shell and is located on a side of the shell away from the intake pipe, and is fixedly connected to the first baffle, the second baffle, the third baffle and the shell respectively, and the two ends of the guide pipe are fixedly connected to the first baffle and the second baffle respectively.

[0007] Among them, the air inlet pipe has a first through hole, the number of the first through holes is multiple, and the multiple first through holes are located between the first baffle and the second baffle; the air outlet pipe has a second through hole, the number of the second through holes is multiple, and the multiple second through holes are located between the first baffle and the second baffle; the guide pipe has a third through hole, the number of the third through holes is multiple, and the multiple third through holes are located between the first baffle and the second baffle.

[0008] Wherein, the silencer assembly also includes a first fiberboard and a second fiberboard, the first fiberboard is fixedly connected to the second partition and is located on the side of the second partition close to the third partition; the second fiberboard is fixedly connected to the third partition and is located on the side of the third partition close to the first fiberboard.

[0009] Wherein, the sound-absorbing component also includes sound-absorbing cotton, and the sound-absorbing cotton is arranged between the first partition plate and the second partition plate.

[0010] The anti-corrosion automobile muffler further comprises a bracket and a guard plate, wherein the bracket is fixedly connected to the shell and is located at the bottom of the shell; the guard plate is fixedly connected to the bracket and is located on a side of the bracket away from the shell.

[0011] The utility model discloses an anti-corrosion automobile muffler, comprising a shell and a muffler assembly, wherein the muffler assembly comprises an intake pipe, a first baffle, a second baffle, a third baffle, a guide pipe and an outlet pipe, wherein the intake pipe extends into the shell and is fixedly connected to the shell, the first baffle is fixedly connected to the shell and is located in the shell and is fixedly connected to the intake pipe, the second baffle is fixedly connected to the shell and is located on a side of the shell close to the first baffle and is fixedly connected to the intake pipe, the third baffle is fixedly connected to the shell and is located on a side of the shell close to the second baffle, the outlet pipe extends into the shell and is located on a side of the shell away from the intake pipe and is fixedly connected to the first baffle, the second baffle, the third baffle and the shell respectively, and the two ends of the guide pipe are fixedly connected to the first baffle and the second baffle respectively, so as to solve the problem that the exhaust resistance of the engine is increased, the flow rate and pressure of the gas are reduced, and the efficiency of the engine is reduced due to too many bends in the cooling pipe in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0013] Figure 1 It is a schematic diagram of the overall structure of the anti-corrosion automobile muffler according to the first embodiment of the utility model.

[0014] Figure 2 It is a schematic structural diagram of the air inlet pipe, the guide pipe and the air outlet pipe of the first embodiment of the utility model.

[0015] Figure 3 It is a schematic diagram of the overall structure of the anti-corrosion automobile muffler according to the second embodiment of the utility model.

[0016] In the figure: 101-shell, 102-inlet pipe, 103-first partition, 104-second partition, 105-third partition, 106-guide pipe, 107-outlet pipe, 108-first through hole, 109-second through hole, 110-third through hole, 111-first fiberboard, 112-second fiberboard, 113-silencer cotton, 201-bracket, 202-protective plate. DETAILED DESCRIPTION

[0017] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0018] The first embodiment of the present application is:

[0019] See also Figure 1 and Figure 2 , Figure 1 This is a schematic diagram of the overall structure of the anti-corrosion automobile muffler of the first embodiment of the utility model. Figure 2 It is a schematic structural diagram of the air inlet pipe 102, the guide pipe 106 and the air outlet pipe 107 of the first embodiment of the utility model.

[0020] The anti-corrosion automobile muffler of the utility model comprises an intake pipe 102, a first baffle 103, a second baffle 104, a third baffle 105, a guide pipe 106, an outlet pipe 107, a first through hole 108, a second through hole 109, a third through hole 110, a first fiberboard 111, a second fiberboard 112, and a muffler 113, which solves the problem in the prior art that the exhaust resistance of the engine is increased due to too many bends in the cooling pipe, the flow rate and pressure of the gas are reduced, and the efficiency of the engine is reduced. It can be understood that the above scheme can also be used to improve the muffler effect.

[0021] In this embodiment, the shell 101 is made of stainless steel or galvanized steel, which is highly corrosion-resistant and helps prevent oxidation and corrosion. The silencer assembly is installed in the shell 101, thereby solving the problem in the prior art that the cooling pipe has too many bends, thereby increasing the exhaust resistance of the engine, reducing the flow rate and pressure of the gas, and causing a decrease in the efficiency of the engine.

[0022] The air inlet pipe 102 extends into the shell 101 and is fixedly connected to the shell 101. The first baffle 103 is fixedly connected to the shell 101 and is located in the shell 101 and is fixedly connected to the air inlet pipe 102. The second baffle 104 is fixedly connected to the shell 101 and is located on one side of the shell 101 close to the first baffle 103 and is fixedly connected to the air inlet pipe 102. The third baffle 105 is fixedly connected to the shell 101 and is located on the side of the shell 101 close to the first baffle 103 and is fixedly connected to the air inlet pipe 102. The outlet pipe 107 is located on one side of the second partition 104 and extends into the shell 101. The outlet pipe 107 is located on the side of the shell 101 away from the intake pipe 102 and is fixedly connected to the first partition 103, the second partition 104, the third partition 105 and the shell 101 respectively. The two ends of the guide pipe 106 are fixedly connected to the first partition 103 and the second partition 104 respectively. The intake pipe 102 is used to connect the exhaust pipe of the car and the shell 101. The exhaust gas enters the exhaust pipe 102 through the intake pipe 102. The shell 101 is silenced. The first baffle 103, the second baffle 104 and the third baffle 105 are used to divide the interior of the shell 101 into four chambers, and at the same time play a role in enhancing the structural strength of the shell 101. The exhaust gas enters the shell 101 through the intake pipe 102, and collides and offsets each other in multiple chambers, thereby achieving a silencer effect. The guide pipe 106 plays a role in guiding the gas flow. The outlet pipe 107 directly penetrates the shell 101 from the side opposite to the intake pipe 102. The exhaust gas passes through the first baffle 103, the second baffle 104 and the third baffle 105, and extends into the leftmost chamber. The exhaust gas is discharged from the leftmost chamber through the exhaust pipe 107. There are two exhaust pipes 107, which can improve the exhaust efficiency. The pipe for conveying the exhaust gas is set to a straight-through structure, thereby reducing the resistance to the exhaust gas circulation, making the exhaust gas circulation smoother, and solving the problem of the prior art that the cooling pipe has too many bends, thereby increasing the exhaust resistance of the engine, reducing the flow rate and pressure of the gas, and causing the efficiency of the engine to decrease.

[0023] Secondly, there are multiple first through holes 108, and multiple first through holes 108 are located between the first baffle 103 and the second baffle 104; there are multiple second through holes 109, and multiple second through holes 109 are located between the first baffle 103 and the second baffle 104; there are multiple third through holes 110, and multiple third through holes 110 are located between the first baffle 103 and the second baffle 104. The first through holes 108, the second through holes 109 and the third through holes 110 are all located between the first baffle 103 and the second baffle 104. Through the first through holes 108, the second through holes 109 and the third through holes 110, the vortex and turbulence generated during the flow of exhaust gas can be weakened, which helps the exhaust gas to diffuse in the chamber and collide and offset.

[0024] At the same time, the first fiberboard 111 is fixedly connected to the second partition plate 104 and is located on the side of the second partition plate 104 close to the third partition plate 105; the second fiberboard 112 is fixedly connected to the third partition plate 105 and is located on the side of the third partition plate 105 close to the first fiberboard 111. The first fiberboard 111 and the second fiberboard 112 are both glass fiber wool boards. Gas and sound waves will directly enter the chamber formed by the second partition plate 104 and the third partition plate 105 through the intake pipe 102. The sound waves will repeatedly hit the second partition plate 104 and the third partition plate 105, and pass through the first fiberboard 111 and the second fiberboard 112, thereby weakening the energy of the sound waves and achieving effective attenuation of sound.

[0025] In addition, the sound-absorbing cotton 113 is arranged between the first partition 103 and the second partition 104. The sound-absorbing cotton 113 is silk cotton and is filled in the cavity formed by the second partition 104 and the third partition 105. Due to its porous and soft structure, it can effectively absorb sound waves through the sound-absorbing cotton 113, thereby reducing the noise in the exhaust and process.

[0026] In this embodiment, the exhaust gas directly enters the chamber formed by the second partition plate 104 and the third partition plate 105 through the intake pipe 102, and the sound waves are attenuated under the action of the first fiberboard 111 and the second fiberboard 112. Then, the exhaust gas enters the chamber at the leftmost end through the guide pipe 106 and is discharged through the outlet pipe 107. At the same time, part of the gas in the intake pipe 102 enters the chamber formed by the first partition plate 103 and the second partition plate 104 through the first through hole 108, and part of the gas to be discharged from the outlet pipe 107 and part of the gas in the guide pipe 106 pass through the second through hole 109 and the third through hole 110 enter the chamber formed by the first baffle 103 and the second baffle 104, and the gas flowing out of the first through hole 108 collides and cancels out the gas flowing out of the second through hole 109 and the third through hole 110 in the chamber, and cooperates with the effect of the silencer cotton 113 to further reduce the noise in the exhaust process, and by setting the pipe for conveying the exhaust gas into a straight-through structure, the resistance of the exhaust gas circulation is reduced, so that the exhaust gas circulation is smoother, which solves the problem of the prior art that the cooling pipe has too many bends, thereby increasing the exhaust resistance of the engine, reducing the flow rate and pressure of the gas, and causing the efficiency of the engine to decrease.

[0027] The second embodiment of the present application is:

[0028] See also Figure 3 , Figure 3 It is a schematic diagram of the overall structure of the anti-corrosion automobile muffler of the second embodiment of the utility model. On the basis of the first embodiment, the anti-corrosion automobile muffler of this embodiment further includes a bracket 201 and a guard plate 202.

[0029] In this embodiment, the anti-corrosion automobile muffler further includes a bracket 201 and a guard plate 202. The possibility of corrosion can be reduced through the above-mentioned solution.

[0030] Among them, the bracket 201 is fixedly connected to the shell 101 and is located at the bottom of the shell 101; the guard plate 202 is fixedly connected to the bracket 201 and is located on the side of the bracket 201 away from the shell 101. The bracket 201 is used to install the guard plate 202, and the guard plate 202 is fixed to the bracket 201 by bolts. The guard plate 202 can completely cover the bottom of the shell 101 through the bracket 201 to prevent external water and other corrosive substances from contacting the shell 101, thereby reducing the possibility of corrosion.

[0031] In this embodiment, the protective plate 202 is installed at the bottom of the housing 101, thereby protecting the housing 101 and reducing the possibility of corrosion.

[0032] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A rust-proof automobile muffler, comprising a housing, characterized in that: Also included are sound-damping components; The silencer assembly includes an air inlet pipe, a first baffle, a second baffle, a third baffle, a guide pipe and an air outlet pipe. The air inlet pipe extends into the shell and is fixedly connected to the shell. The first baffle is fixedly connected to the shell and is located in the shell and is fixedly connected to the air inlet pipe. The second baffle is fixedly connected to the shell and is located on a side of the shell close to the first baffle and is fixedly connected to the air inlet pipe. The third baffle is fixedly connected to the shell and is located on a side of the shell close to the second baffle. The air outlet pipe extends into the shell and is located on a side of the shell away from the air inlet pipe and is fixedly connected to the first baffle, the second baffle, the third baffle and the shell respectively. Both ends of the guide pipe are fixedly connected to the first baffle and the second baffle respectively.

2. The anti-corrosion automobile muffler according to claim 1, characterized in that: The air inlet pipe has a first through hole, and the number of the first through holes is multiple, and the multiple first through holes are located between the first baffle and the second baffle; the air outlet pipe has a second through hole, and the number of the second through holes is multiple, and the multiple second through holes are located between the first baffle and the second baffle; the guide pipe has a third through hole, and the number of the third through holes is multiple, and the multiple third through holes are located between the first baffle and the second baffle.

3. The anti-corrosion automobile muffler according to claim 1, characterized in that: The silencer assembly also includes a first fiberboard and a second fiberboard, wherein the first fiberboard is fixedly connected to the second partition and is located on a side of the second partition close to the third partition; the second fiberboard is fixedly connected to the third partition and is located on a side of the third partition close to the first fiberboard.

4. The anti-corrosion automobile muffler according to claim 1, characterized in that: The sound-absorbing component further includes sound-absorbing cotton, and the sound-absorbing cotton is arranged between the first partition plate and the second partition plate.

5. The anti-corrosion automobile muffler according to claim 1, characterized in that: The anti-corrosion automobile muffler also includes a bracket and a guard plate. The bracket is fixedly connected to the shell and is located at the bottom of the shell; the guard plate is fixedly connected to the bracket and is located on a side of the bracket away from the shell.

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