CN213360221U

CN213360221U - Automobile exhaust emission device

Info

Publication number: CN213360221U
Application number: CN202021628914.XU
Authority: CN
Inventors: 杨飞
Original assignee: Jiangsu Intellectual Automobile Technology Co ltd
Current assignee: Jiangsu Intellectual Automobile Technology Co ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-06-04
Anticipated expiration: 2030-08-07

Abstract

The utility model discloses an automobile exhaust emission device belongs to automobile exhaust emission technical field, the utility model discloses a shell, reflection chamber, energy-absorbing spring, reflection awl and outlet, the reflection chamber that wherein is used for absorbing waste gas noise energy is installed inside the shell, is provided with a plurality of energy-absorbing springs between reflection chamber and the shell, and the reflection chamber passes through energy-absorbing spring to be fixed inside the shell, is provided with a plurality of reflection awl on the inner wall in reflection chamber, and the reflection awl is fixed on reflection intracavity wall, and reflection chamber bottom is provided with the outlet that is used for the drainage. The utility model discloses a with shell elastic connection's reflection chamber, noise energy in the waste gas of effective absorption still need not worry ponding simultaneously and block up reflection intracavity wall, has improved the purifying effect of noise, has reduced the influence effect of ponding to the muffler.

Description

Automobile exhaust emission device

Technical Field

The utility model relates to an automobile exhaust discharges technical field, specifically is to relate to an automobile exhaust discharges device.

Background

In the exhaust gas exhaust device of the automobile, a general three-way catalyst can be directly connected with an engine exhaust pipe, and an exhaust pipe silencer can be arranged behind the three-way catalyst and is used for eliminating noise generated during the exhaust gas emission of the automobile. The silencer generally has a sound absorption and noise elimination mode, a reflection noise elimination mode, a resistance noise elimination mode and a resistance noise elimination mode, and the sound absorption and noise elimination mode generally reduces energy by increasing the friction of waste gas by using noise elimination materials such as glass fiber, asbestos cloth and the like; reflection noise elimination generally reduces the energy of the waste gas by reflecting and colliding the waste gas in a tuning cavity and a reflection pipe; the resistive silencing is to consume energy by vibrating the waste gas through a hole pipe to generate heat energy; reactive muffling reduces the energy of the exhaust gas by expanding the chamber to cause the exhaust gas to repeatedly reflect friction within the chamber.

In the process of automobile driving, especially in winter, gas after combustion in a cylinder and gas after high-temperature oxidation in a three-way catalyst meet cold air outside a silencer and can be condensed into water drops, a large amount of water drops are accumulated in the silencer and an exhaust pipe, the silencer is only provided with a very small hole at the bottom for discharging water in order to reduce noise leakage, a large amount of liquid accumulation in the silencer can be caused, the normal function of the reflection-type silencer is influenced, the inner wall of the silencer can be seriously corroded once the water liquid is combined with oxysulfide in tail gas, and for example, a sound absorption and silencing device containing glass fibers and asbestos meshes can be damaged.

Therefore, it is desirable to provide an automobile exhaust emission device, which aims to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides an aim at provides an automobile exhaust emission device to solve the problem in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an automobile exhaust emission device, includes the shell, reflect the chamber, energy-absorbing spring, reflection awl and sluicing mouth, wherein is used for absorbing the reflection chamber of waste gas noise energy and installs inside the shell, is provided with a plurality of energy-absorbing springs between reflection chamber and the shell, and the reflection chamber passes through the energy-absorbing spring to be fixed inside the shell, is provided with a plurality of reflection awl on the inner wall in reflection chamber, and the reflection awl is fixed on reflection intracavity wall, and reflection intracavity bottom is provided with the sluicing mouth that is used for the drainage.

As a further scheme of the utility model, the left side of shell is provided with three way catalyst converter, is provided with the intake pipe between three way catalyst converter and the shell, and three way catalyst converter passes through the intake pipe and links to each other with the shell, and three way catalyst converter left side is connected with the cylinder blast pipe.

As a further scheme of the utility model, intake pipe fixed mounting is provided with elastic connection pipe between intake pipe and the reflection chamber on the shell, and the intake pipe passes through elastic connection pipe and links to each other with the reflection chamber.

As a further scheme of the utility model, reflection chamber left side is provided with first reflection chamber, and reflection chamber right side is provided with second reflection chamber, and second reflection chamber right side is provided with the blast pipe, blast pipe and shell fixed connection, is provided with elastic connection pipe between blast pipe and the second reflection chamber, and the blast pipe passes through elastic connection pipe and links to each other with second reflection chamber.

As a further scheme of the utility model, the asbestos gauge sheet is installed to the inner wall top of shell, asbestos gauge sheet and shell fixed connection, the lower right corner of shell is provided with the outlet.

To sum up, compared with the prior art, the embodiment of the utility model has the following beneficial effects:

the utility model discloses a with shell elastic connection's reflection chamber, noise energy in the waste gas of effective absorption still need not worry ponding simultaneously and block up reflection intracavity wall, has improved the purifying effect of noise, has reduced the influence effect of ponding to the muffler.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic top view of an embodiment of the present invention.

Fig. 3 is an enlarged schematic view of a detail of an embodiment of the present invention.

Fig. 4 is a schematic structural view of embodiment 2 of the present invention.

Reference numerals: the device comprises a shell 1, an asbestos mesh 2, a reflection cavity 3, an energy absorption spring 4, a cylinder exhaust pipe 5, a three-way catalyst 6, an air inlet pipe 7, an elastic connecting pipe 8, a first reflection cavity 9, a reflection cone 10, a second reflection cavity 11, a water drainage port 12, a water drainage port 13, an exhaust pipe 14, a fixing plate 15 and a water drainage plate 16.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following detailed description is provided for the specific embodiments of the present invention.

Example 1

Referring to fig. 1 to 3, an automobile exhaust emission device comprises a housing 1, a reflection cavity 3, energy absorbing springs 4, a reflection cone 10 and a water outlet 12, wherein the reflection cavity 3 for absorbing the noise energy of exhaust gas is installed inside the housing 1, a plurality of energy absorbing springs 4 are arranged between the reflection cavity 3 and the housing 1, the reflection cavity 3 is fixed inside the housing 1 through the energy absorbing springs 4, a plurality of reflection cones 10 are arranged on the inner wall of the reflection cavity 3, the reflection cones 10 are fixed on the inner wall of the reflection cavity 3, and the water outlet 12 for draining water is arranged at the bottom of the reflection cavity 3.

A three-way catalyst 6 is arranged on the left side of a shell 1, an air inlet pipe 7 is arranged between the three-way catalyst 6 and the shell 1, the three-way catalyst 6 is connected with the shell 1 through the air inlet pipe 7, the left side of the three-way catalyst 6 is connected with an air cylinder exhaust pipe 5, the air inlet pipe 7 is fixedly arranged on the shell 1, an elastic connecting pipe 8 is arranged between the air inlet pipe 7 and a reflecting cavity 3, the air inlet pipe 7 is connected with the reflecting cavity 3 through the elastic connecting pipe 8, a first reflecting cavity 9 is arranged on the left side of the reflecting cavity 3, a second reflecting cavity 11 is arranged on the right side of the reflecting cavity 3, an exhaust pipe 14 is arranged on the right side of the second reflecting cavity 11, the exhaust pipe 14 is fixedly connected with the shell 1, the elastic connecting pipe 8 is arranged between the exhaust pipe 14 and the second reflecting cavity 11, the exhaust pipe 14 is connected, a water outlet 13 is arranged at the right lower corner of the shell 1.

The utility model discloses a theory of operation is: when the device is arranged at the bottom of an automobile, an air cylinder exhaust pipe 5 is connected with an air cylinder of the automobile, then tail gas in the air cylinder is oxidized and reduced in a three-way catalyst 6, waste gas enters a reflecting cavity 3 from an air inlet pipe 7, when the waste gas enters a first reflecting cavity 9, noise energy contained in the gas contacts a reflecting cone 10 arranged in the reflecting cavity 3 and collides with the reflecting cone 10, the noise energy is infinitely reflected in the first reflecting cavity 9 in the collision process and rubs mutually to consume internal energy, in the energy consumption process, as the noise energy continuously collides with the reflecting cone 10, an energy absorbing spring 4 fixing the reflecting cavity 3 also absorbs energy at the same time, so that the reflecting cavity 3 vibrates in a shell 1, when the noise energy passes through the first reflecting cavity 9 to enter a second reflecting cavity 11, the noise energy begins to infinitely reflect in the second reflecting cavity 11 and collides with the reflecting cone 10, the reflecting cavity 3 is continuously driven to vibrate in the shell 1 so as to consume the energy, when the waste gas consumes energy in the reflecting cavity 3, cold air outside the reflecting cavity 3 is contacted with high-heat gas in the reflecting cavity 3, water drops condensed in the cavity flow out from a drain opening 12 below the reflecting cavity 3, are accumulated at the bottom of the shell 1 and flow out from a drain opening 13 at the lower right corner of the shell 1, noise energy leaked from the drain opening 12 continuously rubs the asbestos meshes 2 in the shell 1 until being dissipated, and finally the gas is exhausted to the atmosphere from an exhaust pipe 14.

The advantage of this embodiment lies in, through the reflection chamber 3 with shell 1 elastic connection, can effectively absorb the noise energy in the waste gas, still need not worry simultaneously that ponding blocks up 3 inner walls in reflection chamber, has improved the purifying effect of noise, has reduced the influence effect of ponding to the muffler.

Example 2

Referring to fig. 4, a car exhaust emission device has a main structure the same as that of embodiment 1, and is an improvement of a housing 1, wherein a fixing plate 15 is disposed at the bottom of the housing 1, two ends of the fixing plate 15 are fixed inside the housing 1, a plurality of large holes are disposed on the fixing plate 15, an energy absorbing spring 4 at the bottom of a reflection cavity 3 is connected above the fixing plate 15, a plurality of layers of drain plates 16 are disposed below the fixing plate 15, a plurality of small holes are disposed on the drain plates 16, and the drain plates 16 are fixedly connected with the housing 1.

The utility model discloses a theory of operation is: when the device is cleaned for a certain period, water dripping from the interior of the reflecting cavity 3 continuously falls from the hole of the fixed plate 15 and is discharged to the exterior of the device through the drain plate 16 below, noise energy leaked from the drain opening 12 is partially reflected by the fixed plate 15 and consumed in the interior of the shell 1, and partially passes through the fixed plate 15 and reaches the drain plate 16 below, and is continuously reflected and consumed in the gap of the drain plate 16.

The advantage of this embodiment is that by installing the drain plate 16 at the bottom of the casing 1, the water accumulated in the reaction chamber 3 can be drained more quickly, and at the same time, the noise dispersion is reduced, and the working efficiency of the muffler is improved.

In the description of the present invention, it is to be understood that the terms "left side", "bottom", "right side", "top", "upper", "one side", "inner", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, it should be noted that unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; the term "connected" refers to a connection between two elements or an interaction between two elements, and unless otherwise specifically defined, the term is used in the present invention to refer to the specific meaning of the term in the present invention.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an automobile exhaust emission device, including shell (1), reflection chamber (3), energy-absorbing spring (4), reflection awl (10) and outlet (12), a serial communication port, be used for absorbing reflection chamber (3) of waste gas noise energy and install inside shell (1), be provided with a plurality of energy-absorbing spring (4) between reflection chamber (3) and shell (1), reflection chamber (3) are fixed inside shell (1) through energy-absorbing spring (4), be provided with a plurality of reflection awl (10) on the inner wall of reflection chamber (3), reflection awl (10) are fixed on reflection chamber (3) inner wall, reflection chamber (3) bottom is provided with outlet (12) that are used for the drainage.

2. The automobile exhaust emission device according to claim 1, characterized in that a three-way catalyst (6) is arranged on the left side of the housing (1), an air inlet pipe (7) is arranged between the three-way catalyst (6) and the housing (1), the three-way catalyst (6) is connected with the housing (1) through the air inlet pipe (7), and a cylinder exhaust pipe (5) is connected to the left side of the three-way catalyst (6).

3. The automobile exhaust emission device according to claim 2, characterized in that the air inlet pipe (7) is fixedly mounted on the housing (1), an elastic connecting pipe (8) is arranged between the air inlet pipe (7) and the reflection cavity (3), and the air inlet pipe (7) is connected with the reflection cavity (3) through the elastic connecting pipe (8).

4. The automobile exhaust emission device according to claim 3, characterized in that a first reflection cavity (9) is arranged on the left side of the reflection cavity (3), a second reflection cavity (11) is arranged on the right side of the reflection cavity (3), an exhaust pipe (14) is arranged on the right side of the second reflection cavity (11), the exhaust pipe (14) is fixedly connected with the housing (1), an elastic connecting pipe (8) is arranged between the exhaust pipe (14) and the second reflection cavity (11), and the exhaust pipe (14) is connected with the second reflection cavity (11) through the elastic connecting pipe (8).

5. The automobile exhaust emission device according to claim 1, characterized in that an asbestos mesh (2) is installed above the inner wall of the housing (1), the asbestos mesh (2) is fixedly connected with the housing (1), and a water outlet (13) is arranged at the lower right corner of the housing (1).