CN210164517U

CN210164517U - Composite multidirectional resonant silencer

Info

Publication number: CN210164517U
Application number: CN201920787787.9U
Authority: CN
Inventors: 刘伟锋; 黄卫龙; 张锐锋
Original assignee: SHAANXI GONGDAFUTIAN TECHNOLOGY ENGINEERING Co Ltd
Current assignee: SHAANXI GONGDAFUTIAN TECHNOLOGY ENGINEERING Co Ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-03-20
Anticipated expiration: 2029-05-29

Abstract

The utility model discloses a composite multidirectional resonance type silencer, which comprises a main box body, wherein the left side of the main box body is provided with an air inlet, the right side of the main box body is provided with an air outlet, the inside of the main box body is fixedly connected with a first particle sound-absorbing board, a second particle sound-absorbing board and a third particle sound-absorbing board, the inside left side of the main box body is provided with a first resonance cavity, the right side of the first resonance cavity is provided with a second resonance cavity, the right side of the second resonance cavity is provided with an expansion cavity, the right side of the expansion cavity is provided with a third resonance cavity, the utility model discloses an internal fixedly connected with a first particle sound-absorbing board, a second particle sound-absorbing board and a third particle sound-absorbing board, the three particle sound-absorbing boards divide the inside of the main box body into four parts of a first resonance cavity, a second resonance cavity, an expansion cavity and a third resonance cavity, and is provided with a plurality of resonance tubes which can be matched with the resonance cavities and, play multiple noise elimination effect for noise elimination effect is good.

Description

Composite multidirectional resonant silencer

Technical Field

The utility model relates to a resonance formula silencer technical field specifically is a compound multidirectional resonance formula silencer.

Background

A muffler is a device that prevents sound from propagating while allowing airflow to pass through, and is an important measure for eliminating aerodynamic noise. The device for reducing noise is mainly arranged on an airflow channel of aerodynamic equipment or in an air inlet system and an air outlet system. Along with the improvement of science and technology, automobiles are more and more widely applied to people's lives, when people select automobiles, the riding comfort level and good experience sense during driving become the most important choices, and the automobile silencer can effectively reduce noise brought by an automobile engine and vibration sense generated on an automobile body, so that a good silencer is an important automobile accessory which brings good driving experience sense to people.

The existing silencer only has a plurality of resonant cavities but does not have a sound absorption plate, so that the silencing effect is poor, and therefore, a composite multidirectional resonant silencer is proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound multidirectional resonant muffler to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a composite multi-directional resonance type silencer comprises a main box body, wherein the left side of the main box body is provided with an air inlet, the right side of the main box body is provided with an air outlet, the interior of the main box body is fixedly connected with a first particle sound absorption plate, a second particle sound absorption plate and a third particle sound absorption plate, a first resonant cavity is arranged on the left side in the main box body, a second resonant cavity is arranged on the right side of the first resonant cavity, an expansion cavity is arranged on the right side of the second resonant cavity, a third resonant cavity is arranged on the right side of the expansion cavity, an air inlet pipe is arranged in the main box body, the left end of the air inlet pipe is communicated with the air inlet, the right end of the air inlet pipe penetrates through the first particle sound absorbing plate and the second particle sound absorbing plate, the right-hand member outside of intake pipe has evenly seted up the venthole, the left side of gas outlet is connected with the outlet duct, the left end of outlet duct runs through the third particle acoustic baffle.

The purpose of this setting is that the inside fixedly connected with of this silencer is first particle acoustic baffle, second particle acoustic baffle and third particle acoustic baffle, and three particle acoustic baffle divide into four parts of first resonant cavity, second resonant cavity, inflation chamber and third resonant cavity with the inside of main tank body to have a plurality of resonance pipes, a plurality of resonance chambers pass through the resonance pipe interconnect, and the resonance pipe can cooperate with resonance chamber and particle acoustic baffle, plays multiple noise elimination effect, makes the noise elimination be good.

Preferably, a first resonance pipe penetrates through the first particle sound absorption plate and the second particle sound absorption plate.

Preferably, a second resonance pipe penetrates through the second particulate sound absorbing panel.

Preferably, a third resonance pipe penetrates through the third particulate sound absorbing panel.

Preferably, the outer side of the main box body is provided with a longitudinal reinforcing rib and a transverse reinforcing rib.

Preferably, the left side and the right side of the main box body are both provided with flanges, and the flanges are provided with mounting bolts.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a first particle acoustic baffle of inside fixedly connected with, second particle acoustic baffle and third particle acoustic baffle, three particle acoustic baffle cut apart into four parts of first resonance chamber, second resonance chamber, inflation chamber and third resonance chamber with the inside of the main tank body to have a plurality of resonance pipes, the resonance pipe can cooperate with resonance chamber and particle acoustic baffle, play multiple noise elimination, make the noise elimination function good.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic side view of the first particulate sound absorbing panel of the present invention.

In the figure: 1. a main box body; 2. longitudinal reinforcing ribs; 3. transverse reinforcing ribs; 4. flanging; 5. installing a bolt; 6. an air inlet; 7. a first resonant cavity; 8. a second resonant cavity; 9. an expansion chamber; 10. a third resonant cavity; 11. a first particulate sound absorbing panel; 12. a second particulate sound absorbing panel; 13. a third particulate sound absorbing panel; 14. a first resonance tube; 15. a second resonance tube; 16. a third resonance tube; 17. an air outlet; 18. an air outlet pipe; 19. an air outlet; 20. an air inlet pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a composite multidirectional resonance type silencer comprises a main box body 1, wherein an air inlet 6 is formed in the left side of the main box body 1, an air outlet 17 is formed in the right side of the main box body 1, a first particle sound-absorbing plate 11, a second particle sound-absorbing plate 12 and a third particle sound-absorbing plate 13 are fixedly connected inside the main box body 1, a first resonance cavity 7 is formed in the left side of the inside of the main box body 1, a second resonance cavity 8 is formed in the right side of the first resonance cavity 7, an expansion cavity 9 is formed in the right side of the second resonance cavity 8, a third resonance cavity 10 is formed in the right side of the expansion cavity 9, an air inlet pipe 20 is formed inside the main box body 1, the left end of the air inlet pipe 20 is communicated with the air inlet 6, the right end of the air inlet pipe 20 penetrates through the first particle sound-absorbing plate 11 and the second particle sound-absorbing plate 12, air outlet holes 19 are uniformly formed in the outer side of the right end of the air, the left end of the air outlet pipe 18 penetrates through the third particulate sound absorbing panel 13.

Specifically, a first resonance pipe 14 penetrates through the first particulate sound absorbing panel 11 and the second particulate sound absorbing panel 12.

Specifically, a second resonance pipe 15 penetrates through the second particulate sound absorbing panel 12.

Specifically, a third resonance pipe 16 penetrates through the third particulate sound absorbing panel 13.

Specifically, the outer side of the main box body 1 is provided with a longitudinal reinforcing rib 2 and a transverse reinforcing rib 3.

Specifically, the left side and the right side of the main box body 1 are both provided with flanges 4, and the flanges 4 are provided with mounting bolts 5.

Specifically, when the silencer is used, the interior of the silencer is fixedly connected with a first particle sound-absorbing plate 11, a second particle sound-absorbing plate 12 and a third particle sound-absorbing plate 13, the three particle sound-absorbing plates divide the interior of the main box body 1 into four parts, namely a first resonant cavity 7, a second resonant cavity 8, an expansion cavity 9 and a third resonant cavity 10, and the three particle sound-absorbing plates are provided with a plurality of resonance tubes, the plurality of resonance cavities are connected with one another through the resonance tubes, and the resonance tubes can be matched with the resonance cavities and the particle sound-absorbing plates to play multiple silencing roles, so that the silencing effect is good.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a compound multidirectional resonant muffler, includes the main tank body (1), its characterized in that: an air inlet (6) is formed in the left side of the main box body (1), an air outlet (17) is formed in the right side of the main box body (1), a first particle sound-absorbing plate (11), a second particle sound-absorbing plate (12) and a third particle sound-absorbing plate (13) are fixedly connected to the inside of the main box body (1), a first resonant cavity (7) is formed in the left side of the inside of the main box body (1), a second resonant cavity (8) is formed in the right side of the first resonant cavity (7), an expansion cavity (9) is formed in the right side of the second resonant cavity (8), a third resonant cavity (10) is formed in the right side of the expansion cavity (9), an air inlet pipe (20) is formed in the inside of the main box body (1), the left end of the air inlet pipe (20) is communicated with the air inlet (6), and the right end of the air inlet pipe (20) penetrates through the first particle sound-absorbing plate (11) and the, the right-hand member outside of intake pipe (20) has evenly seted up venthole (19), the left side of gas outlet (17) is connected with outlet duct (18), the left end of outlet duct (18) runs through third particle acoustic baffle (13).

2. The compound multidirectional resonant muffler as set forth in claim 1, wherein: and a first resonance pipe (14) penetrates through the first particle sound absorption plate (11) and the second particle sound absorption plate (12).

3. The compound multidirectional resonant muffler as set forth in claim 1, wherein: and a second resonance pipe (15) penetrates through the second particle sound absorption plate (12).

4. The compound multidirectional resonant muffler as set forth in claim 1, wherein: and a third resonance pipe (16) penetrates through the third particle sound absorption plate (13).

5. The compound multidirectional resonant muffler as set forth in claim 1, wherein: the outer side of the main box body (1) is provided with a longitudinal reinforcing rib (2) and a transverse reinforcing rib (3).

6. The compound multidirectional resonant muffler as set forth in claim 1, wherein: the left side and the right side of the main box body (1) are both provided with flanges (4), and the flanges (4) are provided with mounting bolts (5).