CN105240089B - A kind of muffler of automobile - Google Patents
A kind of muffler of automobile Download PDFInfo
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- CN105240089B CN105240089B CN201510716872.2A CN201510716872A CN105240089B CN 105240089 B CN105240089 B CN 105240089B CN 201510716872 A CN201510716872 A CN 201510716872A CN 105240089 B CN105240089 B CN 105240089B
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- tubing string
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- exhaust
- soundproof plate
- shell
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Abstract
The present invention provides a kind of mufflers of automobile, belong to automobile technical field.It solves the problems, such as the exhaust volume of automobile exhaust pipe how to be enable to carry out adapting to adjust according to different vehicle conditions.Automobile includes the exhaust tubing string one communicated with automobile engine outlet side and the exhaust tubing string two communicated with the outside world, exhaust tubing string one is crossed muffler with exhaust tubing string two-way and is connected, this muffler includes cylindrical shell, there is cavity in shell, movable soundproof plate is slidably connected in shell, cavity is separated into epicoele and cavity of resorption by movable soundproof plate, the inlet end of the outlet side and exhaust tubing string two that are vented tubing string one is respectively positioned on down intracavitary, is fixed with elastic component between the lower surface of movable soundproof plate and the bottom of cavity of resorption.This muffler enables automobile exhaust volume to carry out adaptation adjusting according to different vehicle conditions using the capacity of exhaust tubing string, to meet consumer to the use demand of exhaust volume, in turn avoids causing noise pollution to environment.
Description
Technical field
The invention belongs to automobile technical fields, are related to a kind of muffler of automobile.
Background technique
Automobile exhaust system is located at vehicle bottom, connects engine outlet side and atmosphere, and main function is discharge engine
The exhaust gas of generation, reduces noise at purification exhaust gas.Its structure is mainly by groups such as ternary catalyzing unit, pipe, rubber lifting lug, mufflers
At.In the exhaust process of automobile engine, gas quickly goes out exhaust outlet, since pressure and speed are differed with outside air and hanged
Very, it will generate huge noise, therefore, be typically necessary installation muffler to reduce noise.
Such as Chinese patent [application number: 201310391008.0；Application publication number: CN 103452623A] disclose one kind
Silencer, including shell, the shell are equipped with air inlet pipe and exhaust pipe, and the air inlet pipe and exhaust pipe are connected with shell,
The air inlet pipe and exhaust pipe are connect with Taper Pipe, and the Taper Pipe of the air inlet pipe connection is connected with Taper Pipe lid by spring, described
Multiple soundproof plates are equipped in shell, the inventive structure is simple, and design rationally, can be effectively reduced noise and reduce power
Loss.
But with the continuous improvement that consumer requires automotive performance, many automobile vendors are to automotive performance style
Definition is also diversified.For the automobile of sports type style, automobile will feel that vehicle power is splashed to people outside vehicle under idling operation
Surge feeling, the exhaust voice of exhaust pipe wants loud and clear strong at this time；But under the operating condition for accelerating and running at high speed, interior exhaust
Sound cannot be too big, and noise pollution cannot be caused on environment and influences people's lives.Obviously, above-mentioned silencer is lacked there are following
It falls into: since soundproof plate and shell are fixed, can not be controlled according to the size of capacity when passing through silencer under different speed operating conditions
The size of system exhaust volume.In addition, in the prior art, it, can be to sound insulation in order to increase exhaust voice of the automobile under idling operation
Noise elimination volume between plate and shell carries out diminution improvement, and the exhaust volume under accelerating mode is caused to greatly increase in this way, from
And noise pollution is caused to environment.
Summary of the invention
The purpose of the present invention is there is the above problem in view of the prior art, the muffler of automobile, solution of the present invention are proposed
Certainly the technical issues of is that the exhaust volume of automobile exhaust pipe how to be enable to carry out adapting to adjust to reach both according to different vehicle conditions
It satisfies the use demand and can be avoided the purpose for causing noise pollution to environment.
Object of the invention can be realized by the following technical scheme: a kind of muffler of automobile, the automobile include with
The exhaust tubing string one that automobile engine outlet side communicates and the exhaust tubing string two communicated with the outside world, the exhaust tubing string one and exhaust
Tubing string two is connected by muffler, and the muffler includes cylindrical shell, has cavity in the shell, feature exists
In slidably connecting movable soundproof plate in the shell, above-mentioned cavity is separated into epicoele and cavity of resorption by the activity soundproof plate, institute
The inlet end of the outlet side and the exhaust tubing string two of stating exhaust tubing string one be respectively positioned on it is described under intracavitary, the activity soundproof plate
Elastic component is fixed between lower surface and the bottom of cavity of resorption.
It is different from the prior art, the working principle of this muffler is by the setting activity sound insulation in the shell of muffler
Plate makes the intracorporal cavity of shell be divided into epicoele and cavity of resorption, enables movable soundproof plate using the gas that exhaust tubing string one is discharged
Opposite shell slides, and the volume size of cavity of resorption is changed according to capacity size, and by the way that elastic component is arranged,
The volume of cavity of resorption is enabled to carry out controllably adaptive change according to the capacity size under different vehicle conditions, so that automobile
Exhaust volume under different vehicle conditions is able to carry out automatic adjustment, to meet the use demand of consumer.Specifically, when
Automobile is under idling vehicle condition, at this point, the flow and flow rate that gas is discharged in exhaust tubing string one is smaller, the thrust that gas generates is insufficient
Slide movable soundproof plate with respect to shell to overcome the elastic force of elastic component to act on, the cavity of resorption constancy of volume, so that exhaust voice flood
It is bright；When automobile be in accelerate or high speed vehicle condition under, at this point, exhaust tubing string one be discharged gas flow and flow rate it is larger, gas
The thrust of generation overcomes the elastic force of elastic component to act on and move up movable soundproof plate with respect to shell, and cavity of resorption volume becomes larger, and passes through this
Kind mode had both absorbed portion gas kinetic energy, avoided so that exhaust sound amount becomes smaller to environment further through cavity of resorption volume is increased
Cause noise pollution；By designing above, the exhaust volume of automobile exhaust pipe is enabled to carry out adaptation tune according to different vehicle conditions
Section, meets the use demand of consumer, while will not pollute the environment.In addition, passing through the elasticity system for adjusting elastic component
Number can be achieved with the adjusting of exhaust sound, and tuning is convenient.
In the muffler of above-mentioned automobile, the elastic component is spring, and one end of the spring is fixed on activity sound insulation
The other end of the lower surface of plate, the spring is fixed on the bottom of cavity of resorption.When automobile is in idling vehicle condition, capacity is small,
Spring is in compressive state, and the cavity of resorption constancy of volume, exhaust gives great volume at this time；When automobile is in acceleration or high speed vehicle condition, exhaust
Amount is big, and spring is in tensional state, and cavity of resorption volume becomes larger, and it is small to be vented volume at this time；As a result, automobile exhaust volume being capable of root
Adaptation adjusting is carried out according to different vehicle conditions, has not only met consumer's use demand but also can be avoided and noise pollution is caused to environment.
Alternatively, in the muffler of above-mentioned automobile, the elastic component is wavy metal clips, institute
The one end for stating metal clips is fixed on the lower surface of movable soundproof plate, and the other end of the metal clips is fixed on the bottom of cavity of resorption
In portion.When automobile is in idling vehicle condition, capacity is small, and metal clips is in bending state, and the cavity of resorption constancy of volume is vented at this time
It gives great volume；When automobile is in acceleration or high speed vehicle condition, capacity is big, and spring is in straight condition, and cavity of resorption volume becomes larger, at this time
It is small to be vented volume.
In the muffler of above-mentioned automobile, have on the activity soundproof plate and the exhaust tubing string one and exhaust tubing string
Two pilot holes matched, the exhaust tubing string one and exhaust tubing string two are respectively from the top of shell along the axis direction of shell
It penetrates into shell and is extend into down across pilot hole intracavitary.Exhaust tubing string one and exhaust tubing string two are each attached on car body,
In the sliding process of movable soundproof plate, exhaust tubing string one and exhaust tubing string two play guiding role, so that movable soundproof plate sliding
Process is more stable, is conducive to the adaptability automatic adjustment that volume is vented when coping with different vehicle conditions.
It is intracavitary under described to be further fixed on fixed soundproof plate in the muffler of above-mentioned automobile, on the fixed soundproof plate
It is provided with venthole and relief hole.According to different automobile types, different noise reduction demands determines the quantity of this fixed soundproof plate, from
And achieve the purpose that further decrease noise.
Compared with prior art, the muffler of this automobile has the advantage that this muffler is lived by being arranged in shell
Dynamic soundproof plate, elastic component and the arrangement for being vented tubing string, using the capacity of exhaust tubing string, enable automobile exhaust volume according to
Different vehicle conditions carry out adaptation adjusting, to meet consumer to the use demand of exhaust volume, in turn avoid causing to make an uproar to environment
Sound pollution.
Detailed description of the invention
Fig. 1 is the schematic diagram of internal structure of muffler in the present embodiment one.
Fig. 2 is the schematic diagram of internal structure of muffler in the present embodiment two.
Fig. 3 is the structural schematic diagram of movable soundproof plate in this muffler.
Fig. 4 is the structural schematic diagram that soundproof plate is fixed in this muffler.
In figure, 1, exhaust tubing string one；2, it is vented tubing string two；3, shell；31, cavity；31a, epicoele；31b, cavity of resorption；4, living
Dynamic soundproof plate；41, pilot hole；5, spring；6, metal clips；7, fixed soundproof plate；71, venthole；72, relief hole.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
Embodiment one:
The muffler of this automobile include shell 3, cavity 31, epicoele 31a, cavity of resorption 31b, movable soundproof plate 4, pilot hole 41,
Spring 5, metal clips 6, fixed soundproof plate 7, venthole 71, relief hole 72.
Specifically, automobile includes the exhaust tubing string 1 communicated with automobile engine outlet side and the row communicated with the outside world
Tracheae column 22, exhaust tubing string 1 are connected with exhaust tubing string 22 by muffler.The gas in tubing string 1 is vented through muffler
It enters back into exhaust tubing string 22, then the external world is discharged to by exhaust tubing string 22.As shown in Figure 1, this muffler includes being in cylinder
Shape and shell 3 with cavity 31, slidably connect movable soundproof plate 4 in shell 3.Movable soundproof plate 4 divides above-mentioned cavity 31
It is divided into epicoele 31a and cavity of resorption 31b, the inlet end of the outlet side and exhaust tubing string 22 that are vented tubing string 1 is respectively positioned in cavity of resorption 31b.
Elastic component is fixed between the lower surface of movable soundproof plate 4 and the bottom of cavity of resorption 31b.Elastic component is spring 5, one end of spring 5
It is fixed on the lower surface of movable soundproof plate 4, the other end of spring 5 is fixed on the bottom of cavity of resorption 31b.
As shown in figure 3, having the pilot hole matched with exhaust tubing string 1 and exhaust tubing string 22 on movable soundproof plate 4
41, exhaust tubing string 1 and exhaust tubing string 22 penetrate into shell 3 from the top of shell 3 along the axis direction of shell 3 respectively
And it passes through pilot hole 41 and extend into cavity of resorption 31b.Fixed soundproof plate 7 is further fixed in cavity of resorption 31b, as shown in figure 4, fixed sound insulation
Venthole 71 and relief hole 72 are provided on plate 7.
Embodiment two:
Technical solution in the present embodiment and the technical solution in embodiment one are essentially identical, the difference is that, such as Fig. 2
Shown, in the present embodiment, elastic component is wavy metal clips 6, and one end of metal clips 6 is fixed on movable soundproof plate 4
On lower surface, the other end of metal clips 6 is fixed on the bottom of cavity of resorption 31b.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although exhaust tubing string 1, exhaust tubing string 22, shell 3, cavity 31, epicoele 31a, cavity of resorption is used more herein
The terms such as 31b, movable soundproof plate 4, pilot hole 41, spring 5, metal clips 6, fixed soundproof plate 7, venthole 71, relief hole 72,
But it does not exclude the possibility of using other terms.The use of these items is only for be more convenient to describe and explain the present invention
Essence；Being construed as any additional limitation is disagreed with spirit of that invention.
Claims (5)
1. a kind of muffler of automobile, the automobile include the exhaust tubing string one (1) communicated with automobile engine outlet side and with
The exhaust tubing string two (2) that the external world communicates, the exhaust tubing string one (1) and exhaust tubing string two (2) are connected by muffler, described to disappear
Sound device includes cylindrical shell (3), has cavity (31) in the shell (3), slidably connects work in the shell (3)
Above-mentioned cavity (31) is separated into epicoele (31a) and cavity of resorption (31b), the row by dynamic soundproof plate (4), the activity soundproof plate (4)
The inlet end of the outlet side of tracheae column one (1) and exhaust tubing string two (2) is respectively positioned in the cavity of resorption (31b), and feature exists
In elastic component being fixed between the lower surface of the activity soundproof plate (4) and the bottom of cavity of resorption (31b), in the cavity of resorption (31b)
Be further fixed on fixed soundproof plate (7), be provided with venthole (71) on the fixed soundproof plate (7), the exhaust tubing string one (1) and
Exhaust tubing string two (2), which penetrates into shell (3) at the top of shell (3) respectively and passes through movable soundproof plate (4), extend into cavity of resorption
In (31b), the inlet end of the outlet side and exhaust tubing string two (2) that are vented tubing string one (1) is close to the bottom of shell (3), and arranges
The outlet side of tracheae column one (1) is located between fixed soundproof plate (7) and shell (3) bottom, is vented the inlet end position of tubing string two (2)
Between fixed soundproof plate (7) and movable soundproof plate (4).
2. the muffler of automobile according to claim 1, which is characterized in that the elastic component is spring (5), the spring
(5) one end is fixed on the lower surface of movable soundproof plate (4), and the other end of the spring (5) is fixed on the bottom of cavity of resorption (31b)
On.
3. the muffler of automobile according to claim 1, which is characterized in that the elastic component is wavy metal clips
(6), one end of the metal clips (6) is fixed on the lower surface of movable soundproof plate (4), the metal clips (6) it is another
End is fixed on the bottom of cavity of resorption (31b).
4. the muffler of automobile according to claim 1 or 2 or 3, which is characterized in that have on the activity soundproof plate (4)
There are the pilot hole (41) matched with exhaust tubing string one (1) and exhaust tubing string two (2), the exhaust tubing string one (1) and row
Tracheae column two (2) penetrates into shell (3) along the axis direction of shell (3) from the top of shell (3) respectively and passes through guiding
Hole (41) is extend into cavity of resorption (31b).
5. the muffler of automobile according to claim 1 or 2 or 3, which is characterized in that set on the fixed soundproof plate (7)
It is equipped with relief hole (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510716872.2A CN105240089B (en) | 2015-10-29 | 2015-10-29 | A kind of muffler of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510716872.2A CN105240089B (en) | 2015-10-29 | 2015-10-29 | A kind of muffler of automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105240089A CN105240089A (en) | 2016-01-13 |
| CN105240089B true CN105240089B (en) | 2019-03-01 |
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ID=55037878
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510716872.2A Active CN105240089B (en) | 2015-10-29 | 2015-10-29 | A kind of muffler of automobile |
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| CN (1) | CN105240089B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2856435Y (en) * | 2005-09-30 | 2007-01-10 | 重庆长安汽车股份有限公司 | Autocar rear silencer assembly |
| CN101289952A (en) * | 2008-06-03 | 2008-10-22 | 重庆大学 | Expanding cavity adjustable exhaust silencer |
| CN201865728U (en) * | 2010-11-29 | 2011-06-15 | 重庆凯宝动力机械有限公司 | Exhaust silencer of gasoline engine |
| CN202281694U (en) * | 2011-09-06 | 2012-06-20 | 浙江吉利汽车研究院有限公司 | Automobile exhaust silencer test device |
| CN103775169A (en) * | 2012-10-17 | 2014-05-07 | 天津市七星精密机械有限公司 | Low-noise damping exhaust silencer |
| CN103835786A (en) * | 2012-11-27 | 2014-06-04 | 雅马哈发动机株式会社 | Muffler and saddle type vehicle |
| CN204877593U (en) * | 2015-07-23 | 2015-12-16 | 邓厚才 | It outes circular amortization of single tail drum singly to flow back while advancing |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090045007A1 (en) * | 2007-08-13 | 2009-02-19 | Counts Paul H | Muffler with cyclonic plates |
-
2015
- 2015-10-29 CN CN201510716872.2A patent/CN105240089B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2856435Y (en) * | 2005-09-30 | 2007-01-10 | 重庆长安汽车股份有限公司 | Autocar rear silencer assembly |
| CN101289952A (en) * | 2008-06-03 | 2008-10-22 | 重庆大学 | Expanding cavity adjustable exhaust silencer |
| CN201865728U (en) * | 2010-11-29 | 2011-06-15 | 重庆凯宝动力机械有限公司 | Exhaust silencer of gasoline engine |
| CN202281694U (en) * | 2011-09-06 | 2012-06-20 | 浙江吉利汽车研究院有限公司 | Automobile exhaust silencer test device |
| CN103775169A (en) * | 2012-10-17 | 2014-05-07 | 天津市七星精密机械有限公司 | Low-noise damping exhaust silencer |
| CN103835786A (en) * | 2012-11-27 | 2014-06-04 | 雅马哈发动机株式会社 | Muffler and saddle type vehicle |
| CN204877593U (en) * | 2015-07-23 | 2015-12-16 | 邓厚才 | It outes circular amortization of single tail drum singly to flow back while advancing |
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| Publication number | Publication date |
|---|---|
| CN105240089A (en) | 2016-01-13 |
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