CN204646389U - Vehicular exhaust system muffler - Google Patents
Vehicular exhaust system muffler Download PDFInfo
- Publication number
- CN204646389U CN204646389U CN201520173009.2U CN201520173009U CN204646389U CN 204646389 U CN204646389 U CN 204646389U CN 201520173009 U CN201520173009 U CN 201520173009U CN 204646389 U CN204646389 U CN 204646389U
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- exhaust system
- stiffening rib
- chamber
- vehicular exhaust
- system muffler
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Abstract
The utility model relates to a kind of vehicular exhaust system muffler, and it comprises: body, and it is configured to the microscler through-pipe structure of both ends open; At least one cellular board, it is connected on the inwall of body, and be configured to cover body cross section at least partially; Wherein, the inwall of body is provided with at least one stiffening rib, and stiffening rib is configured to be separated with cellular board.By adopting the utility model can provide higher structural strength while the volume that maintenance is large, thus radiated noise is reduced.
Description
Technical field
The utility model relates to vehicle motor air inlet system and exhaust system field, and more specifically, relates to a kind of vehicular exhaust system muffler, and it can provide the structural strength of enhancing and reduce radiated noise level.
Background technique
The vent systems of vehicle motor is typically provided with silencing apparatus.On the one hand, silencing apparatus can make the attenuate pulsations of exhaust pressure and decline, and reduces to make exhaust sound.Conventional silencing apparatus can make exhaust sound reduce 20-30dB (A).On the other hand, silencing apparatus can make the pressure and temperature of exhaust decay, thus ensures that the waste gas after burning is discharged smoothly.
Vehicular exhaust system muffler conventional is at present the impedance composite muffler that resistive and anti-formula combine, to eliminate the noise of different frequency section.Wherein, the effect of anti-formula silencing apparatus is eliminated in exhaust sound, low-frequency noise, and its performance is relevant with volume size with the structural type of silencing apparatus.Therefore, anti-formula silencing apparatus has suitable volume usually, to be unlikely to occupy excessive space while the enough soundproof effects of acquisition.When large volume, the flat area of silencer chamber wall increases, and causes easily producing radiated noise.
In order to reduce the radiated noise of silencing apparatus, need the structural strength strengthening silencing apparatus.Therefore, there is the lasting demand that exploitation has the silencing apparatus of more high structural strength.
Summary of the invention
An object of the present utility model is to provide a kind of vehicular exhaust system muffler, and it can provide higher structural strength while providing large volume, thus radiated noise is reduced.
The purpose of this utility model is achieved by the following technical solution:
A kind of vehicular exhaust system muffler, it comprises:
Body, it is configured to the microscler through-pipe structure of both ends open;
At least one cellular board, it is connected on the inwall of body, and be configured to cover body cross section at least partially;
Wherein, the inwall of body is provided with at least one stiffening rib, and stiffening rib is configured to be separated with cellular board.
Above-mentioned vehicular exhaust system muffler, wherein, body is made up of at least two chambers be cascaded, and cellular board is configured to be connected on the inwall of chamber at one end place of chamber, and stiffening rib is configured to be positioned on the inwall of single chamber.
Above-mentioned vehicular exhaust system muffler, wherein, chamber configuration is for by making, microscler board-like material crimping is shaping to be formed, and stiffening rib is configured to be formed on the side of microscler board-like material by punch process before chamber crimping is shaping.
Above-mentioned vehicular exhaust system muffler, wherein, stiffening rib is configured to extend on the axial direction of body.
Above-mentioned vehicular exhaust system muffler, wherein, stiffening rib has smooth surface configuration.
Above-mentioned vehicular exhaust system muffler, wherein, the two ends of stiffening rib are configured to and the two ends of chamber have distance between 30-40mm respectively.
Above-mentioned vehicular exhaust system muffler, wherein, stiffening rib is configured to the height with 4-7mm.
Above-mentioned vehicular exhaust system muffler, wherein, stiffening rib is configured to the bottom width with 10-15mm.
Above-mentioned vehicular exhaust system muffler, wherein, cellular board is constructed by welded structure on the inwall being connected to body.
The beneficial effects of the utility model are: vehicular exhaust system muffler of the present utility model have rational in infrastructure, design the plurality of advantages such as ingenious, lightweight, intensity is high.Compared with the vehicular exhaust system muffler of prior art, vehicular exhaust system muffler of the present utility model can provide higher structural strength while the volume that maintenance is large, thus radiated noise is reduced.
Accompanying drawing explanation
Below with reference to accompanying drawing and preferred embodiment, the utility model is explained in further detail, but those skilled in the art by what understand are, these accompanying drawings only design for the object of explanation preferred embodiment, and therefore should as the restriction to the utility model scope.In addition, unless otherwise indicated, accompanying drawing is only be intended to conceptually represent the composition of described object or structure and may have carried out expansiveness display, and accompanying drawing also need not be drawn according to ratio.
Fig. 1 is the stereogram of the vehicular exhaust system muffler of prior art.
Fig. 2 is the stereogram of an embodiment of vehicular exhaust system muffler of the present utility model.
Fig. 3 is the partial view of embodiment before crimping is shaping at Fig. 2.
Fig. 4 is at the cross section of the embodiment of Fig. 2 and partial enlarged view.
Embodiment
Preferred embodiment of the present utility model is described in detail below with reference to accompanying drawing.Those of skill in the art will understand, and these describe and are only descriptive, exemplary, and should not be interpreted as defining protection domain of the present utility model.
First, it should be noted that, top mentioned in this article, bottom, upward, be define relative to the direction in each accompanying drawing towards inferior orientation term, they are relative concepts, and therefore, it is possible to diverse location at it and different practical states and change.So, these or other orientation term should be interpreted as restricted term.
In addition, it is also important to note that, for describing in embodiment herein or implicit any single technical characteristics, shown in the drawings or implicit any single technical characteristics, still can proceed combination between these technical characteristicss (or its equivalent), thus obtain other embodiments of the present utility model directly do not mentioned in this article.
It should be noted that in different drawings, identical reference number represents identical parts.
Fig. 1 is the stereogram of the vehicular exhaust system muffler of prior art.Wherein, vehicular exhaust system muffler 10 is made up of 3 chambers, is respectively the first chamber 11, second chamber 12 and the 3rd chamber 13.The end of each chamber is provided with cellular board 2, and cellular board 2 is attached on the inwall of each chamber, to be opened by the interior separation of each chamber by welding.
Fig. 2 is the stereogram of an embodiment of vehicular exhaust system muffler of the present utility model.As shown in the figure, vehicular exhaust system muffler 20 of the present utility model such as can comprise three chambers, be respectively the first chamber 21, second chamber 22 and the 3rd chamber 23, these three chambers together constitute the body of vehicular exhaust system muffler 20 of the present utility model, make body configuration be the microscler through-pipe structure of both ends open.In fact, also can more or less chamber be set according to actual needs.Be provided with cellular board 2 between the chambers or in the end of chamber, cellular board 2 be configured to cover chamber cross section at least partially, and cellular board 2 preferably by weld be attached to each chamber chamber wall on and each chamber is separated.The inwall of each chamber is provided with multiple stiffening rib 3, these stiffening ribs 3 preferably along air current flow direction (that is, each chamber extend direction or axial direction) extend.Stiffening rib 3 was preferably formed by punch process respectively before silencer chamber wall crimping is shaping on the inner side of each chamber, so that the impact of the sealing reduced each chamber and difficulty of processing.The two ends of stiffening rib 3 are configured to the surface configuration having smooth surface configuration or have good aerodynamic quality, increase exhaust sound, and ensure that exhaust fluency to prevent from producing eddy current at the two ends of stiffening rib 3.
In addition, cellular board 2 is connected on the inwall of each chamber preferably by welded structure, and is separated with each stiffening rib 3.Such structure provides better firm welding and mechanical strength.If cellular board 2 is configured to across on stiffening rib 3, and then easily to vibrate because cellular board 2 not prison welding is solid, and then generation noise.
For clearly object, on the outer surface of each chamber, in Fig. 2, schematically show the position of each stiffening rib 3.Those skilled in the art will understand, and in preferred embodiment of the present utility model, in fact these stiffening ribs 3 are arranged on the inwall of each chamber.
Fig. 3 is the partial view of embodiment before crimping is shaping at Fig. 2.As shown in the figure, each chamber was microscler board-like material before bending forming, and on the inwall of each chamber, be provided with several stiffening ribs 3.As shown in the figure, the distance between the both sides of the edge of stiffening rib 3 and the 3rd chamber 23 is labeled as A and B respectively.Distance A and B is set between 30-40mm.This makes to have enough spaces for welding cellular board 2 between each stiffening rib 3 in the horizontal direction, thus reduces the impact on the welding quality of cellular board 2.
Fig. 4 is at the cross section of the embodiment of Fig. 2 and partial enlarged view.As shown in the figure, the inwall of the first chamber 21 is distributed with nine stiffening ribs 3, these stiffening ribs 3 are preferably roughly uniformly distributed, to make the first chamber 21 strengthen roughly equably.Those skilled in the art will understand, and also can arrange the stiffening rib of other numbers according to the volume of chamber or actual demand, or are arranged on by stiffening rib on other suitable positions.Also comprise partial enlarged view in Fig. 4, show stiffening rib 3.As shown in the figure, the height H of stiffening rib 3 can be 4-7mm, and muscle bottom width degree d (that is, bottom width) of stiffening rib 3 can be 10-15mm.The stiffening rib size that those skilled in the art also can select other suitable according to actual needs, or the stiffening rib of different size is arranged in simultaneously on the inwall of same chamber.
Those skilled in the art will understand, and also stiffening rib can be arranged on the outer surface of chamber.At this moment, the size of stiffening rib, position and its two ends can be arranged in addition apart from the distance of cavity margin.Also can adopt other silencer except cellular board, and the number of chamber can be two, three or more.If different chamber configuration is have different axial lengths, then the stiffening rib on different chamber can be configured to have different extended lengths.In addition, on the non-essential direction being configured to roughly to advance at air-flow like that as shown in the figure of stiffening rib or extend on the direction that each chamber extends, but also can be configured to have that other are directed.Each chamber also can forming as one, and the cellular board non-essential end being positioned at each chamber, but to can be positioned in chamber on any suitable position; Now, stiffening rib must be configured to be separated with cellular board.
By adopting vehicular exhaust system muffler of the present utility model, can under the prerequisite not affecting exhaust fluency, strengthen the structural strength of exhaust system muffler, thus the flat area area on minimizing silencer internal wall, reduce the vibration of chamber surfaces, effectively to reduce chamber surfaces radiated noise.Processing cost needed for the technical solution of the utility model is low, and processing mode is simple, is easy to carry out mass production and popularization.
This specification with reference to the open the utility model of accompanying drawing, and enables those of skill in the art implement the utility model, comprises and manufactures and use any device or system, select suitable material and use the method for any combination.Scope of the present utility model limits by asking the technological scheme protected, and comprises other examples that those of skill in the art expect.As long as these type of other examples comprise the structural element of the technological scheme literal language being not different from request protection; or these type of other examples comprise and the equivalent structural elements of asking the literal language of the technological scheme protected not have essential distinction, then these type of other examples are intended to be in the determined protection domain of the technological scheme protected by the utility model request.
Claims (9)
1. a vehicular exhaust system muffler, it comprises:
Body, it is configured to the microscler through-pipe structure of both ends open;
At least one cellular board, it is connected on the inwall of described body, and the cross section being configured to cover described body is at least partially;
It is characterized in that, the inwall of described body is provided with at least one stiffening rib, and described stiffening rib is configured to be separated with described cellular board.
2. vehicular exhaust system muffler according to claim 1, it is characterized in that, described body is made up of at least two chambers be cascaded, described cellular board is configured to be connected on the inwall of described chamber at one end place of described chamber, and described stiffening rib is configured to be positioned on the inwall of single chamber.
3. vehicular exhaust system muffler according to claim 2, it is characterized in that, described chamber configuration is for by making, microscler board-like material crimping is shaping to be formed, and described stiffening rib is configured to be formed on the side of microscler board-like material by punch process before described chamber crimping is shaping.
4. the vehicular exhaust system muffler according to any one of claim 1-3, is characterized in that, described stiffening rib is configured to extend on the axial direction of described body.
5. the vehicular exhaust system muffler according to any one of claim 1-3, is characterized in that, described stiffening rib has smooth surface configuration.
6. the vehicular exhaust system muffler according to Claims 2 or 3, is characterized in that, the two ends of described stiffening rib are configured to and the two ends of described chamber have distance between 30-40mm respectively.
7. the vehicular exhaust system muffler according to any one of claim 1-3, is characterized in that, described stiffening rib is configured to the height with 4-7mm.
8. the vehicular exhaust system muffler according to any one of claim 1-3, is characterized in that, described stiffening rib is configured to the bottom width with 10-15mm.
9. the vehicular exhaust system muffler according to any one of claim 1-3, is characterized in that, described cellular board is constructed by welded structure on the inwall being connected to described body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520173009.2U CN204646389U (en) | 2015-03-26 | 2015-03-26 | Vehicular exhaust system muffler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520173009.2U CN204646389U (en) | 2015-03-26 | 2015-03-26 | Vehicular exhaust system muffler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204646389U true CN204646389U (en) | 2015-09-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520173009.2U Active CN204646389U (en) | 2015-03-26 | 2015-03-26 | Vehicular exhaust system muffler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204646389U (en) |
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2015
- 2015-03-26 CN CN201520173009.2U patent/CN204646389U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |