CN218581683U

CN218581683U - Parallel muffler

Info

Publication number: CN218581683U
Application number: CN202223034159.4U
Authority: CN
Inventors: 熊田田; 范礼辉; 吉宇康; 李雪
Original assignee: Jiangxi Tsinghua Taihao Sanbo Motor Co Ltd
Current assignee: Jiangxi Tsinghua Taihao Sanbo Motor Co Ltd
Priority date: 2022-11-15
Filing date: 2022-11-15
Publication date: 2023-03-07
Anticipated expiration: 2032-11-15

Abstract

The utility model belongs to the technical field of silencers, in particular to a parallel silencer, which comprises a silencer main body; silencer main part top is close to central point and puts the department and be provided with the intake pipe, silencer main part bottom is close to central point and puts the department and be provided with the outlet duct, the inside coupling mechanism that is provided with of silencer main part, its characterized in that, coupling mechanism includes first inflation chamber, first inflation chamber is seted up and is close to top position department inside the silencer main part, first inflation chamber bottom end fixedly connected with first connecting plate, the inside second inflation chamber of having seted up of first connecting plate bottom position department of being close to of silencer main part, be provided with the connecting pipe between first inflation chamber and the second inflation chamber, connecting pipe fixed connection is inside first connecting plate, has realized the function of silencer bigger degree ground noise reduction effect through coupling mechanism's structural design.

Description

Parallel muffler

Technical Field

The utility model relates to a muffler technical field specifically is a block form muffler.

Background

A silencer is a device for preventing sound from being transmitted and allowing airflow to pass through, and is an important measure for eliminating aerodynamic noise, and the silencer is a noise reduction device installed on an airflow passage of an aerodynamic device or in an intake and exhaust system.

The existing silencers are mainly divided into three types, one type is a resistive silencer, and silencing and noise reduction are carried out by using silencing materials or sound-absorbing structures; one is a reactive muffler, which changes the direction of a sound source in a pipeline suddenly and reflects the sound source back through sudden expansion or contraction of the section of the pipeline or bypass connection of a resonant cavity, thereby achieving the functions of noise elimination and noise reduction; the third type is an impedance composite muffler, which combines a resistive structure and a resistive structure according to a certain mode to achieve the noise reduction effect.

The existing silencer is often not ideal in single effect, and the two-stage silencing pipeline needs larger installation space than a common silencer, is very inconvenient to install and use, occupies larger space and influences the use space of other devices; therefore, a parallel muffler is proposed to address the above problems.

SUMMERY OF THE UTILITY MODEL

In order to compensate the not enough of prior art, the effect of the single effect is often not ideal enough for current muffler, and doublestage noise elimination pipeline, the installation space that needs is bigger than ordinary muffler, and is very inconvenient when installing and use, occupies great space, influences the problem of the usage space of all the other devices, the utility model provides a block form muffler.

The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to a parallel silencer, which comprises a silencer main body; the silencer is characterized in that an air inlet pipe is arranged at the position, close to the center, of the top end of the silencer main body, an air outlet pipe is arranged at the position, close to the center, of the bottom end of the silencer main body, and a connecting mechanism is arranged inside the silencer main body;

coupling mechanism includes first inflation chamber, first inflation chamber is seted up in the inside top position department that is close to of muffler main part, first inflation chamber bottom end fixedly connected with first connecting plate, the inside second inflation chamber that has seted up near first connecting plate bottom position department of muffler main part, be provided with the connecting pipe between first inflation chamber and the second inflation chamber, connecting pipe fixed connection is inside first connecting plate, second inflation chamber bottom end fixedly connected with second connecting plate, the inside resonant cavity that has seted up near second connecting plate bottom position department of muffler main part, resonant cavity bottom end fixedly connected with third connecting plate, the inside inner layer resonance pipe that is provided with of resonant cavity, inner layer resonance pipe top fixed connection switches on with the second inflation chamber inside the resonant cavity, inner layer resonance pipe bottom fixed connection is inside the third connecting plate, inner layer resonance pipe outside surface cover is equipped with outer resonance pipe, the inside third inflation chamber has been seted up near third connecting plate bottom position department of muffler main part.

Preferably, two groups of resonance components consisting of the inner layer resonance tubes and the outer layer resonance tubes are arranged.

Preferably, the silencer main body is provided with two sets, and the bottom end of the air outlet pipe is fixedly connected with a connecting bent pipe through bolts.

Preferably, the positions, close to the two ends, of the outer surface of the connecting pipe are provided with a plurality of groups of through holes, and the through holes are distributed on the outer surface of the connecting pipe in a circumferential array manner.

Preferably, two sets of be close to both ends position department all fixedly connected with connecting block between the muffler main part.

Preferably, two sets of all fixedly connected with bracing piece in muffler main part bottom, bracing piece bottom fixedly connected with base.

The utility model discloses an useful part lies in:

1. the utility model discloses a coupling mechanism's structural design has realized the function of muffler bigger ground amortization noise reduction effect, has solved the effect of the often single effect of current muffler ideal inadequately, and doublestage noise elimination pipeline, and the installation space that needs is bigger than ordinary muffler, and is very inconvenient when installing and using, occupies great space, influences the problem of the usage space of all the other devices.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall perspective view of a first embodiment;

FIG. 2 is a schematic perspective view, partially in section, illustrating a first embodiment of a device according to the present invention;

FIG. 3 is an enlarged structural view of the first embodiment at A in FIG. 2;

FIG. 4 is an enlarged structural diagram of a portion B in FIG. 2 according to the first embodiment;

fig. 5 is a schematic partial cross-sectional perspective structure of the second embodiment.

In the figure: 1. a muffler main body; 2. an air inlet pipe; 3. an air outlet pipe; 4. a first expansion chamber; 5. a first connecting plate; 6. a second expansion chamber; 7. a connecting pipe; 8. a second connecting plate; 9. a resonant cavity; 10. a third connecting plate; 11. an inner layer resonator tube; 12. an outer resonator tube; 13. a third expansion chamber; 14. connecting a bent pipe; 15. a through hole; 16. connecting blocks; 17. a support bar; 18. a base; 19. a fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts belong to the protection scope of the present invention.

Example one

Referring to fig. 1-4, a parallel muffler includes a muffler body 1; an air inlet pipe 2 is arranged at the top end of the silencer main body 1 close to the central position, an air outlet pipe 3 is arranged at the bottom end of the silencer main body 1 close to the central position, and a connecting mechanism is arranged inside the silencer main body 1;

the connecting mechanism comprises a first expansion cavity 4, the first expansion cavity 4 is arranged inside the silencer main body 1 and is close to the top end, the bottom end of the first expansion cavity 4 is fixedly connected with a first connecting plate 5, a second expansion cavity 6 is arranged inside the silencer main body 1 and is close to the bottom end of the first connecting plate 5, a connecting pipe 7 is arranged between the first expansion cavity 4 and the second expansion cavity 6, the connecting pipe 7 is fixedly connected inside the first connecting plate 5, the bottom end of the second expansion cavity 6 is fixedly connected with a second connecting plate 8, a resonant cavity 9 is arranged inside the silencer main body 1 and is close to the bottom end of the second connecting plate 8, the bottom end of the resonant cavity 9 is fixedly connected with a third connecting plate 10, an inner-layer resonance tube 11 is arranged inside the resonant cavity 9, the top end of the inner-layer resonance tube 11 is fixedly connected inside the resonant cavity 9 and communicated with the second expansion cavity 6, the bottom end of the inner-layer resonance tube 11 is fixedly connected inside the third connecting plate 10, an outer-layer resonance tube 12 is sleeved on the outer side surface of the inner-layer resonance tube 11, and is arranged inside the silencer main body 1 and is close to the bottom end of the third connecting plate 10;

when the silencer works, the effect of the single effect of the existing silencer is not ideal, and the double-stage silencing pipeline needs a larger installation space than that of a common silencer, is inconvenient to install and use, occupies a larger space, influences the use space of other devices, and when smoke exhaust gas and noise need to be silenced, a connecting mechanism needs to be used, the smoke exhaust gas and the noise enter a first expansion cavity 4 which is arranged in the silencer main body 1 and is close to the top end through an air inlet pipe 2, enter a second expansion cavity 6 through a connecting pipe 7, then pass through the second expansion cavity 6 and a resonant cavity 9, enter a third expansion cavity 13 through a double-layer resonance pipe which is formed by an inner-layer resonance pipe 11 and an outer-layer resonance pipe 12, repeat more than one time through an air outlet pipe 3 and a connecting bent pipe 14, and finally discharge the silencer.

Two groups of resonance components consisting of the inner layer resonance tubes 11 and the outer layer resonance tubes 12 are arranged;

during operation, through setting up two sets of resonance components, strengthen the noise reduction effect to the noise.

The silencer main body 1 is provided with two groups, and the bottom end of the air outlet pipe 3 is fixedly connected with a connecting bent pipe 14 through bolts;

when the silencer works, the first-stage silencing structure is connected into the double-stage silencer structure through the connecting bent pipe 14, noise entering the silencer is reduced for multiple times, and a better noise reduction effect is achieved.

A plurality of groups of through holes 15 are formed in the outer side surface of the connecting pipe 7 close to the two ends, and the through holes 15 are distributed on the outer side surface of the connecting pipe 7 in a circumferential array;

during operation, through all seting up multiunit through-hole 15 in connecting pipe 7 outside surface near both ends position department, make the exhaust gas and the more abundant entering first inflation chamber 4 of noise of discharging fume.

The connecting blocks 16 are fixedly connected between the two groups of the silencer main bodies 1 at positions close to the two ends;

during operation, the two groups of silencer main bodies 1 are connected more stably by fixedly connecting the connecting blocks 16 between the two groups of silencer main bodies 1 at positions close to the two ends.

The bottom ends of the two groups of silencer main bodies 1 are fixedly connected with supporting rods 17, and the bottom ends of the supporting rods 17 are fixedly connected with bases 18;

during operation, the base 18 is arranged at the bottom end of the silencer main body 1, so that the silencer can be stably grounded.

Example two

Referring to fig. 5, in a first comparative example, as another embodiment of the present invention, fans 19 are disposed inside the air inlet pipe 2 and the air outlet pipe 3;

when the exhaust gas purifying device works, the fans 19 are arranged in the air inlet pipe 2 and the air outlet pipe 3, so that the exhaust gas is guided.

The working principle is as follows: the existing silencer is often not ideal in single effect, and the double-stage silencing pipeline needs a larger installation space than a common silencer, is inconvenient to install and use, occupies a larger space, affects the use space of other devices, when the exhaust gas and noise need to be silenced, a connecting mechanism needs to be used, the exhaust gas and the noise enter a first expansion cavity 4 which is arranged in the silencer main body 1 and is close to the top end through an air inlet pipe 2, enter a second expansion cavity 6 through a connecting pipe 7, then pass through the second expansion cavity 6 and a resonant cavity 9, enter a third expansion cavity 13 through a double-layer resonance pipe which is formed by an inner-layer resonance pipe 11 and an outer-layer resonance pipe 12, repeat more than one time through a connecting bent pipe 14 through an air outlet pipe 3, and finally discharge the silencer, the silencing quantity of the silencer is the sum of a resistance section and a resistance section, the one-stage silencing structure is connected into the double-stage silencer structure through the connecting bent pipe 14, noise entering the silencer is reduced for multiple times, and the better noise reduction effect is achieved.

In the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed.

Claims

1. A parallel muffler includes a muffler body (1); the silencer is characterized in that an air inlet pipe (2) is arranged at the position, close to the center, of the top end of the silencer main body (1), an air outlet pipe (3) is arranged at the position, close to the center, of the bottom end of the silencer main body (1), and a connecting mechanism is arranged inside the silencer main body (1);

the connecting mechanism comprises a first expansion cavity (4), the first expansion cavity (4) is arranged in the silencer main body (1) close to the top end, the bottom end of the first expansion cavity (4) is fixedly connected with a first connecting plate (5), a second expansion cavity (6) is arranged in the silencer main body (1) and close to the bottom end of the first connecting plate (5), a connecting pipe (7) is arranged between the first expansion cavity (4) and the second expansion cavity (6), the connecting pipe (7) is fixedly connected inside the first connecting plate (5), the bottom end of the second expansion cavity (6) is fixedly connected with a second connecting plate (8), a resonant cavity (9) is arranged in the silencer main body (1) and close to the bottom end of the second connecting plate (8), the bottom end of the resonant cavity (9) is fixedly connected with a third connecting plate (10), an inner layer resonance tube (11) is arranged in the resonance cavity (9), the top end of the inner layer resonance tube (11) is fixedly connected inside the resonance cavity (9) and communicated with the second expansion cavity (6), the bottom end of the inner layer resonance tube (11) is fixedly connected inside the third connecting plate (10), the outer side surface of the inner layer resonance tube (11) is sleeved with an outer layer resonance tube (12), a third expansion cavity (13) is formed in the position, close to the bottom end of the third connecting plate (10), in the silencer main body (1).

2. A side-by-side muffler according to claim 1, wherein: and two groups of resonance components consisting of the inner layer resonance tubes (11) and the outer layer resonance tubes (12) are arranged.

3. A side-by-side muffler according to claim 2, wherein: the silencer main body (1) is provided with two groups, and the bottom end of the air outlet pipe (3) is fixedly connected with a connecting bent pipe (14) through bolts.

4. A side-by-side muffler according to claim 3, wherein: the outer side surface of the connecting pipe (7) is close to the positions of the two ends and is provided with a plurality of groups of through holes (15), and the through holes (15) are distributed on the outer side surface of the connecting pipe (7) in a circumferential array manner.

5. A side-by-side muffler according to claim 4, wherein: two sets of be close to both ends position department all fixedly connected with connecting block (16) between muffler main part (1).

6. A side-by-side muffler according to claim 5, wherein: two sets of muffler main part (1) bottom all fixedly connected with bracing piece (17), bracing piece (17) bottom fixedly connected with base (18).