Exhaust silencer assembly

Abstract

The utility model relates to the technical field of automobile parts, in particular to an exhaust silencer assembly. Comprising a front pipe assembly and an auxiliary device, the front pipe assembly comprises a first connecting pipe, a mounting flange and a second connecting pipe, and the auxiliary device comprises a first guide pipe, a middle silencer assembly, a rear silencer assembly, a second guide pipe, a first mounting assembly, a second mounting assembly and a discharging assembly. Compared with a traditional structure only provided with a first-stage purifier, the automobile exhaust silencer has the advantages that the treatment effect can be effectively improved, the automobile exhaust silencing treatment effect can be effectively improved when the automobile exhaust silencer is used, the higher emission standard requirement is met, and the automobile exhaust silencer is beneficial to use.

Description

Technical Field

[0001] The utility model relates to the technical field of automotive parts, in particular to an exhaust muffler assembly. Background Art

[0002] At present, automobiles have become an indispensable means of transportation for people to travel, bringing great convenience to people's lives. With the gradual increase in the number of vehicles, traffic noise generated by vehicles has become the main source of urban noise, and among them, exhaust noise is the main contributor to automotive noise. If the muffler system is not installed, the noise of the vehicle can reach more than 100 decibels, which may cause serious harm to the human body and the environment. Therefore, the exhaust system plays a very important role in controlling and reducing automotive noise and is also a key research topic for many automotive manufacturers and suppliers.

[0003] Among domestic cars at present, most cars only have a primary purifier, and a secondary purifier is not provided on the exhaust muffler, so it cannot meet the needs of higher emission standards and is inconvenient to use. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an exhaust muffler assembly, which can effectively improve the exhaust muffling treatment effect of the vehicle when in use, meet the needs of higher emission standards, and is convenient to use.

[0005] To achieve the above purpose, the utility model provides an exhaust muffler assembly, including a front pipe assembly and also including an auxiliary device;

[0006] The front pipe assembly includes a first connecting pipe, a mounting flange and a second connecting pipe. The mounting flange is fixedly connected to the first connecting pipe and is located on the front side of the first connecting pipe. The second connecting pipe is fixedly connected to the first connecting pipe and is located at the tail of the first connecting pipe.

[0007] The auxiliary device includes a first conduit, a middle muffler assembly, a rear muffler assembly, a second conduit, a first mounting component, a second mounting component and a discharge component. The first conduit is detachably connected to the second connecting pipe and is located on the rear side of the second connecting pipe. The middle muffler assembly is fixedly connected to the first conduit and is located on the rear side of the first conduit. The rear muffler assembly is arranged on the side of the middle muffler assembly away from the first conduit. The second conduit is fixedly connected to the middle muffler assembly and the rear muffler assembly respectively and is located between the middle muffler assembly and the rear muffler assembly. The first mounting component is respectively arranged on the second connecting pipe and the second conduit. The second mounting component is arranged on both sides of the rear muffler assembly. The discharge component is arranged on the rear muffler assembly.

[0008] Among them, the first connecting pipe is a corrugated pipe.

[0009] Among them, the first mounting assembly includes a first mounting bracket and a second mounting bracket. The first mounting bracket is fixedly connected to the second connecting pipe and is located on the second connecting pipe; the second mounting bracket is fixedly connected to the second conduit and is located on the second conduit.

[0010] Among them, the second mounting assembly includes a third mounting bracket and a reinforcing pipe. The third mounting bracket is fixedly connected to the rear muffler assembly and is located on both sides of the rear muffler assembly; the reinforcing pipe is fixedly connected to the rear muffler assembly and is fixedly connected to the third mounting bracket, and is located on one side of the rear muffler assembly close to the third mounting bracket.

[0011] Among them, the discharge assembly includes a first tail pipe and a second tail pipe. The first tail pipe is fixedly connected to the rear muffler assembly and is located on one side of the rear muffler assembly; the second tail pipe is fixedly connected to the rear muffler assembly and is located on the side of the rear muffler assembly away from the first tail pipe.

[0012] In an exhaust muffler assembly of the present utility model, the mounting flange is installed on the front side of the first connecting pipe, facilitating the connection between the first connecting pipe and the outlet of the catalytic purifier. The second connecting pipe is welded to the tail of the first connecting pipe. One end of the first conduit is installed at the tail of the second connecting pipe, and the other side is welded to the inlet side of the middle muffler assembly. One end of the second conduit is welded to the outlet side of the middle muffler assembly, and the other end is welded to the inlet side of the rear muffler assembly. The first mounting assembly is respectively arranged on the second connecting pipe and the second conduit. The second mounting assembly is arranged on both sides of the rear muffler assembly. The discharge assembly is arranged on the rear muffler assembly. During use, after the waste gas is purified by the catalytic purifier, it can be silenced by the middle muffler assembly and the rear muffler assembly in sequence, and finally discharged through the discharge assembly. Compared with the traditional structure with only one-stage purifier, the treatment effect can be effectively improved. Furthermore, during use, the exhaust noise reduction treatment effect of the automobile can be effectively improved, meeting the requirements of higher emission standards and being beneficial to use. Description of the Drawings

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art.

[0014] Figure 1 It is an overall structural schematic diagram of the exhaust muffler assembly of the present utility model.

[0015] Figure 2 It is a structural schematic diagram of the front pipe assembly of the present utility model.

[0016] Figure 3It is a schematic structural diagram of the reinforcing pipe of the present utility model.

[0017] In the figure: 101 - front pipe assembly, 101a - first connecting pipe, 101b - mounting flange, 101c - second connecting pipe, 102 - first conduit, 103 - middle muffler assembly, 104 - rear muffler assembly, 105 - second conduit, 106 - first mounting bracket, 107 - second mounting bracket, 108 - third mounting bracket, 109 - reinforcing pipe, 110 - first tail pipe, 111 - second tail pipe. Specific implementation manner

[0018] The following details the embodiments of the present utility model. The examples of the embodiments are shown in the drawings. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present utility model, and should not be construed as limiting the present utility model.

[0019] As Figures 1 to 3 shown, among which Figure 1 is the overall structural schematic diagram of the exhaust muffler assembly, Figure 2 is the structural schematic diagram of the front pipe assembly 101, Figure 3 is the structural schematic diagram of the reinforcing pipe 109. The present utility model provides an exhaust muffler assembly: including a front pipe assembly 101 and an auxiliary device. The front pipe assembly 101 includes a first connecting pipe 101a, a mounting flange 101b, and a second connecting pipe 101c. The auxiliary device includes a first conduit 102, a middle muffler assembly 103, a rear muffler assembly 104, a second conduit 105, a first mounting component, a second mounting component, and a discharging component. The first mounting component includes a first mounting bracket 106 and a second mounting bracket 107. The second mounting component includes a third mounting bracket 108 and a reinforcing pipe 109. The discharging component includes a first tail pipe 110 and a second tail pipe 111. Through the foregoing solution, it can be achieved that during use, the exhaust noise reduction treatment effect of the vehicle can be effectively improved, meeting the requirements of higher emission standards, and being beneficial for use. It can be understood that the foregoing solution can effectively improve the exhaust noise reduction treatment effect of the vehicle and can meet the requirements of higher emission standards.

[0020] In this embodiment, when the front pipe assembly 101 is installed, it is installed on the outlet side of the catalytic converter.

[0021] Among them, the mounting flange 101b is fixedly connected to the first connecting pipe 101a and is located on the front side of the first connecting pipe 101a. The second connecting pipe 101c is fixedly connected to the first connecting pipe 101a and is located at the tail of the first connecting pipe 101a. The mounting flange 101b is welded on the inlet side of the first connecting pipe 101a to facilitate connecting the first connecting pipe 101a to the catalytic purifier through bolts. The inlet side of the second connecting pipe 101c is welded to the tail of the first connecting pipe 101a, and a connecting flange is provided at the tail of the second connecting pipe 101c.

[0022] The first duct 102 is detachably connected to the second connecting pipe 101c and is located on the rear side of the second connecting pipe 101c. The middle muffler assembly 103 is fixedly connected to the first duct 102 and is located on the rear side of the first duct 102. The rear muffler assembly 104 is provided on the side of the middle muffler assembly 103 away from the first duct 102. The second duct 105 is fixedly connected to the middle muffler assembly 103 and the rear muffler assembly 104 respectively and is located between the middle muffler assembly 103 and the rear muffler assembly 104. The first mounting components are respectively provided on the second connecting pipe 101c and the second duct 105. The second mounting components are provided on both sides of the rear muffler assembly 104. The exhaust component is provided on the rear muffler assembly 104. The connecting flange on the inlet side of the first duct 102 is connected to the connecting flange at the tail of the second connecting pipe 101c through bolts. The outlet side of the first duct 102 is welded to the inlet side of the middle muffler assembly 103. One end of the second duct 105 is welded to the outlet side of the middle muffler assembly 103, and the other end is welded to the inlet side of the rear muffler assembly 104. The first mounting components are respectively provided on the second connecting pipe 101c and the second duct 105 to improve the installation stability of the second connecting pipe 101c and the second duct 105. The second mounting components are provided on both sides of the rear muffler assembly 104 for mounting the rear muffler assembly 104. The exhaust component is provided on the rear muffler assembly 104 for exhausting tail gas.

[0023] Secondly, the first connecting pipe 101a is a corrugated pipe. The first connecting pipe 101a adopts a corrugated pipe, and the corrugated pipe can use the corrugated structure on its inner wall to reflect and reduce the noise of the gas.

[0024] Then, the first mounting bracket 106 is fixedly connected to the second connecting pipe 101c and is located on the second connecting pipe 101c; the second mounting bracket 107 is fixedly connected to the second conduit 105 and is located on the second conduit 105. The first mounting bracket 106 is welded to the second connecting pipe 101c for improving stability during installation and fixation, and the second mounting bracket 107 is welded to the second conduit 105 for improving stability during installation and fixation.

[0025] Further, the third mounting bracket 108 is fixedly connected to the rear muffler assembly 104 and is located on both sides of the rear muffler assembly 104; the reinforcing pipe 109 is fixedly connected to the rear muffler assembly 104 and is fixedly connected to the third mounting bracket 108, and is located on the side of the rear muffler assembly 104 close to the third mounting bracket 108. The third mounting bracket 108 is symmetrically welded to the rear muffler assembly 104 for improving stability during installation and fixation, and both ends of the reinforcing pipe 109 are respectively welded and fixed to the third mounting bracket 108 and the rear muffler assembly 104 for improving the stability after the installation of the third mounting bracket 108.

[0026] Finally, the first tail pipe 110 is fixedly connected to the rear muffler assembly 104 and is located on one side of the rear muffler assembly 104; the second tail pipe 111 is fixedly connected to the rear muffler assembly 104 and is located on the side of the rear muffler assembly 104 away from the first tail pipe 110. The first tail pipe 110 is welded to the rear muffler assembly 104 for exhaust gas discharge, and the second tail pipe 111 is welded to the rear muffler assembly 104 for exhaust gas discharge, and is symmetrically installed with the first tail pipe 110.

[0027] When using the present utility model, it can effectively improve the exhaust noise reduction treatment effect of the vehicle, meet the requirements of higher emission standards, and is beneficial for use. During use, first install the assembly on the outlet side of the catalytic purification device through the installation flange 101b. Then, respectively install and fix the first installation bracket 106, the second installation bracket 107, and the third installation bracket 108 at corresponding positions on the vehicle frame. During use, after the exhaust gas is purified by the catalytic purifier, it is transported through the first connecting pipe 101a. The first connecting pipe 101a simultaneously reflects and reduces the noise of the gas. Further, the gas is transported to the middle muffler assembly 103 through the second connecting pipe 101c and the first conduit 102 for further treatment. Finally, the gas is transported to the rear muffler assembly 104 through the second conduit 105 for final silencing treatment, and finally discharged through the first tail pipe 110 and the second tail pipe 111. Compared with the traditional structure with only a first-stage purifier, the exhaust muffler structure of this application can effectively improve the treatment effect, and thus effectively improve the exhaust noise reduction treatment effect of the vehicle during use, meet the requirements of higher emission standards, and is beneficial for use.

[0028] The above-disclosed are only one or more preferred embodiments of the present application, and the scope of rights of the present application cannot be limited thereby. Those of ordinary skill in the art can understand all or part of the processes of implementing the above embodiments, and the equivalent changes made according to the claims of the present application still fall within the scope covered by the present application.

Claims

1. An exhaust muffler assembly, including a front pipe assembly, characterized in that, it further includes an auxiliary device; The front pipe assembly includes a first connecting pipe, a mounting flange and a second connecting pipe. The mounting flange is fixedly connected to the first connecting pipe and is located on the front side of the first connecting pipe. The second connecting pipe is fixedly connected to the first connecting pipe and is located at the tail of the first connecting pipe; The auxiliary device includes a first conduit, a middle muffler assembly, a rear muffler assembly, a second conduit, a first mounting component, a second mounting component and a discharge component. The first conduit is detachably connected to the second connecting pipe and is located on the rear side of the second connecting pipe. The middle muffler assembly is fixedly connected to the first conduit and is located on the rear side of the first conduit. The rear muffler assembly is arranged on the side of the middle muffler assembly away from the first conduit. The second conduit is fixedly connected to the middle muffler assembly and the rear muffler assembly respectively and is located between the middle muffler assembly and the rear muffler assembly. The first mounting component is respectively arranged on the second connecting pipe and the second conduit. The second mounting component is arranged on both sides of the rear muffler assembly. The discharge component is arranged on the rear muffler assembly.

2. The exhaust muffler assembly according to claim 1, characterized in that, The first connecting pipe is a corrugated pipe.

3. The exhaust muffler assembly according to claim 1, characterized in that, The first mounting component includes a first mounting bracket and a second mounting bracket. The first mounting bracket is fixedly connected to the second connecting pipe and is located on the second connecting pipe; The second mounting bracket is fixedly connected to the second conduit and is located on the second conduit.

4. The exhaust muffler assembly according to claim 1, characterized in that, The second mounting component includes a third mounting bracket and a reinforcing pipe. The third mounting bracket is fixedly connected to the rear muffler assembly and is located on both sides of the rear muffler assembly; The reinforcing pipe is fixedly connected to the rear muffler assembly and is fixedly connected to the third mounting bracket and is located on the side of the rear muffler assembly close to the third mounting bracket.

5. The exhaust muffler assembly according to claim 1, characterized in that, The discharge component includes a first tail pipe and a second tail pipe. The first tail pipe is fixedly connected to the rear muffler assembly and is located on one side of the rear muffler assembly; The second tail pipe is fixedly connected to the rear muffler assembly and is located on the side of the rear muffler assembly away from the first tail pipe.

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