CN219826953U - Silencer (muffler) - Google Patents
Silencer (muffler) Download PDFInfo
- Publication number
- CN219826953U CN219826953U CN202321166842.5U CN202321166842U CN219826953U CN 219826953 U CN219826953 U CN 219826953U CN 202321166842 U CN202321166842 U CN 202321166842U CN 219826953 U CN219826953 U CN 219826953U
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- China
- Prior art keywords
- pipe
- air outlet
- baffle
- outlet pipe
- cavity
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- 230000003584 silencer Effects 0.000 title claims abstract description 9
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Exhaust Silencers (AREA)
Abstract
A silencer comprises a shell, a first baffle, a second baffle, an air inlet pipe, a three-way pipe, a first connecting pipe, a first air outlet pipe and a second air outlet pipe. The housing includes a first cavity between the first baffle and the second baffle, a second cavity on a side of the first baffle away from the second baffle, and a third cavity on a side of the second baffle away from the first baffle. The three-way pipe comprises a first interface connected with the air inlet pipe, a second interface connected with the first connecting pipe and a third interface connected with the first air outlet pipe. The first air outlet pipe is provided with an electronic valve positioned outside the shell. The second air outlet pipe is communicated with the first cavity, and extends out of the shell. Compared with the prior art, the silencer has an improved structural design, and is beneficial to realizing multiple sound wave modes through one electronic valve.
Description
Technical Field
The utility model relates to a silencer, and belongs to the technical field of engine exhaust systems.
Background
The related art exhaust system generally includes a muffler in which an electronic valve is installed to satisfy both moving and normal waves in order to improve user experience.
However, the existing muffler still has room for improvement in structural design.
Disclosure of Invention
The present utility model aims to provide a muffler with an improved structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a silencer comprises a shell, a first baffle plate positioned in the shell, a second baffle plate positioned in the shell, an air inlet pipe, a three-way pipe, a first connecting pipe, a second connecting pipe, a first air outlet pipe and a second air outlet pipe; the housing includes a first cavity between the first baffle and the second baffle, a second cavity on a side of the first baffle away from the second baffle, and a third cavity on a side of the second baffle away from the first baffle; the three-way pipe comprises a first interface connected with the air inlet pipe, a second interface connected with the first connecting pipe and a third interface connected with the first air outlet pipe; the first air outlet pipe is provided with an electronic valve positioned outside the shell; the second air outlet pipe is communicated with the first cavity, and extends out of the shell; the second connecting pipe is communicated with the first air outlet pipe, and the second connecting pipe penetrates through the second baffle plate to be communicated with the third cavity.
As a further improved technical solution of the present utility model, the first connecting pipe passes through the first baffle to communicate with the second chamber.
As a further improved technical scheme of the utility model, the first baffle is provided with a plurality of airflow perforations which are communicated with the first cavity and the second cavity.
As a further improved technical scheme of the utility model, the part of the second connecting pipe connected with the first air outlet pipe is positioned in the first cavity; the first air outlet pipe further comprises a first resonance pipe located in the first cavity, and the first resonance pipe comprises a plurality of first perforations penetrating through the pipe wall of the first air outlet pipe and a first sleeve sleeved on the plurality of first perforations.
As a further improved technical scheme of the utility model, a second resonance tube is arranged at the part of the second air outlet tube extending out of the shell, and the second resonance tube comprises a plurality of second perforations penetrating through the wall of the second air outlet tube and a second sleeve sleeved on the second perforations.
As a further improved technical scheme of the utility model, the second air outlet pipe penetrates through the first baffle plate to be communicated with the first cavity.
As a further improved technical scheme of the utility model, the first air outlet pipe is a straight pipe, the first connecting pipe is a straight pipe, and the first air outlet pipe is perpendicular to the first connecting pipe;
the second air outlet pipe is an elbow pipe and comprises a first pipe body parallel to the first connecting pipe, a second pipe body parallel to the first pipe body and a third pipe body connected with the first pipe body and the second pipe body, and the third pipe body is perpendicular to the first pipe body and the second pipe body;
the second outlet duct further includes a fourth duct extending from the second duct, the fourth duct being parallel to the third duct.
As a further improved technical scheme of the utility model, the first air outlet pipe comprises a first tail pipe, the second air outlet pipe comprises a second tail pipe connected with the fourth pipe body, and the first tail pipe and the second tail pipe are arranged side by side.
As a further improved technical scheme of the utility model, the electronic valve is only one and is arranged on the first air outlet pipe.
Compared with the prior art, the first air outlet pipe is provided with the electronic valve positioned outside the shell; the second air outlet pipe is communicated with the first cavity, and extends out of the shell; so arranged, the silencer of the present utility model has an improved structural design and facilitates multiple modes of sound waves through one electronic valve.
Drawings
FIG. 1 is a perspective view of an exhaust system of the present utility model in one embodiment.
Fig. 2 is a perspective view of the muffler of fig. 1.
Fig. 3 is a schematic perspective view of the housing of fig. 2 with portions removed.
Fig. 4 is a top view of fig. 3.
Detailed Description
Specific embodiments of the present utility model will be described in detail below with reference to the attached drawings, wherein features of the embodiments may be combined with each other without conflict if several embodiments exist. When the description refers to the accompanying drawings, the same numbers or symbols in different drawings indicate the same or similar elements unless otherwise indicated. What is described in the following exemplary embodiments does not represent all embodiments of the utility model, but rather is merely an example of a product consistent with the utility model as set forth in the claims of the utility model.
The terminology used in the present utility model is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present utility model. It should be understood that words such as "first," "second," and the like, used in the description and in the claims of the present utility model, do not denote any order, quantity, or importance, but rather are names used to distinguish one feature from another.
Referring to fig. 1 to 4, the present utility model discloses an exhaust system, which includes a first muffler 100, a muffler 200, and a connection pipe 300 connecting the first muffler 100 and the muffler 200.
The silencer 200 comprises a shell 1, a first baffle 11 positioned in the shell 1, a second baffle 12 positioned in the shell 1, an air inlet pipe 2, a three-way pipe 3, a first connecting pipe 4, a first air outlet pipe 5 and a second air outlet pipe 6.
In the illustrated embodiment of the utility model, the housing 1 comprises an upper housing and a lower housing which are welded and fixed. The housing 1 comprises a first cavity 101 between the first baffle 11 and the second baffle 12, a second cavity 102 at a side of the first baffle 11 remote from the second baffle 12, and a third cavity 103 at a side of the second baffle 12 remote from the first baffle 11.
The tee 3 is located in the first cavity 101. The tee 3 comprises a first port 31 connected with the air inlet pipe 2, a second port 32 connected with the first connecting pipe 4, and a third port 33 connected with the first air outlet pipe 5.
The first connection pipe 4 passes through the first baffle 11 to communicate with the second chamber 102.
The first baffle 11 is provided with a number of airflow perforations 110 communicating the first cavity 101 with the second cavity 102.
The first air outlet pipe 5 is provided with an electronic valve 7 positioned outside the shell 1.
The muffler 200 includes a second connection pipe 8 communicating with the first outlet pipe 5, and the second connection pipe 8 passes through the second baffle 12 to communicate with the third chamber 103.
The part of the second connecting pipe 8 connected with the first air outlet pipe 5 is positioned in the first cavity 101; the first air outlet pipe 5 further comprises a first resonant tube 51 located in the first cavity 101, and the first resonant tube 51 comprises a plurality of first perforations 511 penetrating through the wall of the first air outlet pipe 5 and a first sleeve 512 sleeved on the plurality of first perforations 511.
The second air outlet pipe 6 is communicated with the first cavity 101, and the second air outlet pipe 6 extends out of the shell 1. The second resonance tube 60 is disposed at the portion of the second air outlet tube 6 extending out of the housing 1, and the second resonance tube 60 includes a plurality of second perforations 601 penetrating through the wall of the second air outlet tube 6, and a second sleeve 602 sleeved on the plurality of second perforations 601.
The second air outlet pipe 6 passes through the first baffle 11 to communicate with the first chamber 101.
The first air outlet pipe 5 is a straight pipe, the first connecting pipe 4 is a straight pipe, and the first air outlet pipe 5 is perpendicular to the first connecting pipe 4.
The second air outlet pipe 6 is an elbow, and the second air outlet pipe 6 includes a first pipe body 61 parallel to the first connecting pipe 4, a second pipe body 62 parallel to the first pipe body 61, and a third pipe body 63 connecting the first pipe body 61 and the second pipe body 62, wherein the third pipe body 63 is perpendicular to the first pipe body 61 and the second pipe body 62. The second outlet duct 6 further comprises a fourth duct 64 extending from the second duct 62, the fourth duct 64 being parallel to the third duct 63. The first outlet pipe 5 comprises a first tail pipe 55, the second outlet pipe 6 comprises a second tail pipe 65 connected with the fourth pipe body 64, and the first tail pipe 55 and the second tail pipe 65 are arranged side by side.
Preferably, the electronic valve 7 is only one and is disposed on the first air outlet pipe 5.
The exhaust system of the present utility model can realize a dual mode muffler through the electronic valve 7. When the electronic valve 7 is closed, a sound source of an engine enters the muffler 200 through the intake pipe 2; the third cavity 103 and the second connecting pipe 8 form a resonant cavity together, so as to eliminate low-frequency noise; the first connecting pipe 4, the second air outlet pipe 6 and the second cavity 102 form an expansion cavity, and the function of eliminating intermediate frequency noise is achieved. When the electronic valve 7 is closed, the air flow enters the atmosphere through the second air outlet pipe 6.
When the electronic valve 7 is opened, at least part of the air flow enters the atmosphere from the first air outlet pipe 5 to form a sports car sound.
The utility model can use a single electronic valve 7 to meet the effect of double electronic valves, meet the subjective evaluation requirement of customers and meet the requirement of low cost.
The above embodiments are only for illustrating the present utility model and not for limiting the technical solutions described in the present utility model, and it should be understood that the present utility model should be based on those skilled in the art, and although the present utility model has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the present utility model without departing from the spirit and scope of the present utility model and modifications thereof should be covered by the scope of the claims of the present utility model.
Claims (9)
1. The silencer is characterized by comprising a shell, a first baffle plate, a second baffle plate, an air inlet pipe, a three-way pipe, a first connecting pipe, a second connecting pipe, a first air outlet pipe and a second air outlet pipe, wherein the first baffle plate is arranged in the shell; the housing includes a first cavity between the first baffle and the second baffle, a second cavity on a side of the first baffle away from the second baffle, and a third cavity on a side of the second baffle away from the first baffle; the three-way pipe comprises a first interface connected with the air inlet pipe, a second interface connected with the first connecting pipe and a third interface connected with the first air outlet pipe; the first air outlet pipe is provided with an electronic valve positioned outside the shell; the second air outlet pipe is communicated with the first cavity, and extends out of the shell; the second connecting pipe is communicated with the first air outlet pipe, and the second connecting pipe penetrates through the second baffle plate to be communicated with the third cavity.
2. The muffler of claim 1, wherein: the first connection pipe passes through the first baffle to communicate with the second chamber.
3. The muffler of claim 1, wherein: the first baffle is provided with a plurality of airflow perforations which are communicated with the first cavity and the second cavity.
4. The muffler of claim 1, wherein: the part of the second connecting pipe, which is connected with the first air outlet pipe, is positioned in the first cavity; the first air outlet pipe further comprises a first resonance pipe located in the first cavity, and the first resonance pipe comprises a plurality of first perforations penetrating through the pipe wall of the first air outlet pipe and a first sleeve sleeved on the plurality of first perforations.
5. The muffler of claim 1, wherein: the part of the second air outlet pipe extending out of the shell is provided with a second resonance pipe, and the second resonance pipe comprises a plurality of second perforations penetrating through the pipe wall of the second air outlet pipe and a second sleeve sleeved on the second perforations.
6. The muffler of claim 1, wherein: the second air outlet pipe penetrates through the first baffle plate to be communicated with the first cavity.
7. The muffler of claim 1, wherein: the first air outlet pipe is a straight pipe, the first connecting pipe is a straight pipe, and the first air outlet pipe is perpendicular to the first connecting pipe;
the second air outlet pipe is an elbow pipe and comprises a first pipe body parallel to the first connecting pipe, a second pipe body parallel to the first pipe body and a third pipe body connected with the first pipe body and the second pipe body, and the third pipe body is perpendicular to the first pipe body and the second pipe body;
the second outlet duct further includes a fourth duct extending from the second duct, the fourth duct being parallel to the third duct.
8. The muffler of claim 7, wherein: the first air outlet pipe comprises a first tail pipe, the second air outlet pipe comprises a second tail pipe connected with the fourth pipe body, and the first tail pipe and the second tail pipe are arranged side by side.
9. The muffler of any one of claims 1 to 8, wherein: the electronic valve is only one and is arranged on the first air outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321166842.5U CN219826953U (en) | 2023-05-15 | 2023-05-15 | Silencer (muffler) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321166842.5U CN219826953U (en) | 2023-05-15 | 2023-05-15 | Silencer (muffler) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219826953U true CN219826953U (en) | 2023-10-13 |
Family
ID=88252705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321166842.5U Active CN219826953U (en) | 2023-05-15 | 2023-05-15 | Silencer (muffler) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219826953U (en) |
-
2023
- 2023-05-15 CN CN202321166842.5U patent/CN219826953U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |