CN202690170U - Exhaust silencer and automobile - Google Patents
Exhaust silencer and automobile Download PDFInfo
- Publication number
- CN202690170U CN202690170U CN 201220159639 CN201220159639U CN202690170U CN 202690170 U CN202690170 U CN 202690170U CN 201220159639 CN201220159639 CN 201220159639 CN 201220159639 U CN201220159639 U CN 201220159639U CN 202690170 U CN202690170 U CN 202690170U
- Authority
- CN
- China
- Prior art keywords
- exhaust
- automobile
- exhaust silencer
- dividing plate
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses an exhaust silencer which comprises a shell (1) and a separator (2) arranged in the shell. The separator is provided with a first hole (3). The separator is further provided with a second hole (4). The second hole is provided with a valve piece (5) which can be opened under a certain air pressure. The utility model further provides an automobile comprising the exhaust silencer. When the exhaust flow rate of the automobile is lower, the air pressure in the silencer is smaller than a threshold value, and an elastic element baffle is closed, so that the exhaust silencer silences well. When the exhaust flow rate of the automobile is higher, the air pressure in the silencer is greater than the threshold value, and the elastic element baffle is opened. Although the noise reducing effect is reduced to a certain extent, the exhaust noise is not the main noise source when the automobile steers at a high speed, while after the elastic element baffle is opened, the resistance of the exhaust silencer to the exhaust flow is reduced so that the exhaust back pressure is reduced, thereby exerting the power of the engine well.
Description
Technical field
The utility model relates to the automotive silencing element, particularly, and the automobile that relates to a kind of exhaust silencer for automobile and comprise this exhaust silencer.
Background technique
The exhaust sound of motor car engine is one of topmost noise source of automobile, and therefore being provided with exhaust silencer in the vent systems of automobile reduces exhaust sound.
At present exhaust silencer commonly used has various ways, and is wherein relatively more commonly used a kind of for dividing plate is set in silencing apparatus inside, and the reflection by dividing plate and pore reaches falls low noise purpose.
For exhaust silencer, not only want acoustic attenuation performance good, and as far as possible little to the resistance of exhaust airstream, thereby can not affect power performance and the economic performance of motor.But, in order to reach better noise reduction, need sound wave constantly reflection in silencing apparatus, will increase like this silencing apparatus to the resistance of exhaust airstream, the two is difficult to take into account.
The model utility content
The purpose of this utility model provides a kind of exhaust silencer, and this exhaust silencer has the elastic element catch that can open under certain air pressure.
To achieve these goals, the utility model provides a kind of exhaust silencer, this exhaust silencer comprises housing and is arranged on the dividing plate of enclosure interior, be provided with the first hole on this dividing plate, wherein, also be provided with the second hole on the described dividing plate, this place, the second hole is provided with the valve part that can open under certain air pressure.
Preferably, described valve part is the elastic element that is connected on described housing or the described dividing plate.
Preferably, described valve part is hinged on described housing or the described dividing plate, is connected by spring between described valve part and described housing or the described dividing plate.
Preferably, described divider upright is in the axial setting of described housing.
In addition, the utility model also provides a kind of automobile, and this automobile comprises exhaust silencer described in the utility model.
By technique scheme, be provided with the elastic element catch at the dividing plate of exhaust silencer, this elastic element catch can opened under certain air pressure.When the automobile exhaust flow velocity was low, the silencing apparatus internal air pressure was less than threshold value, and the elastic element catch is closed, and this exhaust silencer can be eliminated the noise well; When the automobile exhaust flow velocity is higher, the silencing apparatus internal air pressure is greater than threshold value, the elastic element catch is opened, although noise reduction descends to some extent, but when galloping, exhaust sound no longer has been Main Noise Sources, and this elastic element catch reduces exhaust silencer to the resistance of exhaust airstream after opening, so that exhaust back pressure reduces, for the performance of engine power good effect is arranged.
Other feature and advantage of the present utility model will partly be described in detail in embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and consists of the part of specification, is used from explanation the utility model with following embodiment one, but does not consist of restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the schematic diagram of exhaust silencer of the prior art;
Fig. 2 is the schematic diagram of the exhaust silencer of the utility model preferred implementation.
Description of reference numerals
1 housing, 2 dividing plates
4 second holes, 3 first holes
5 valve parts
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated.Should be understood that, embodiment described herein only is used for description and interpretation the utility model, is not limited to the utility model.
In the utility model, in the situation that do opposite explanation, the noun of locality of use refers to housing inside and outside of exhaust silencer such as " inside and outside ".
The utility model provides a kind of exhaust silencer, this exhaust silencer comprises housing 1 and is arranged on the dividing plate 2 of housing 1 inside, is provided with the first hole 3 on this dividing plate 2, wherein, also be provided with the second hole 4 on the described dividing plate 2, these 4 places, the second hole are provided with the valve part 5 that can open under certain air pressure.
For traditional exhaust silencer, the two ends of housing 1 are respectively arranged with suction port and relief opening, and exhaust gas enters enclosure interior from suction port, discharge from relief opening again.A plurality of dividing plates 2 are set within housing 1 usually, so just by dividing plate 2 inner space of housing 1 is divided into a plurality of chambers, all has at least one first hole 3 on each dividing plate 2, be communicated with by this first hole 3 between each chamber like this, the gas that enters enclosure interior from the suction port of housing passes the first hole 3 on each dividing plate 2, discharges from relief opening again.Through in the process of exhaust silencer, gas, and is played in this process and falls low noise effect by the constantly reflection etc. of each dividing plate 2 in the inside of housing 1 at gas.
Exhaust silencer of the present utility model has increased by the second hole 4 at dividing plate 2, and these 4 places, the second hole are provided with the valve part 5 that can open under certain air pressure.When the automobile low cruise, exhaust flow rate is lower, exhaust sound is one of main noise source, therefore need to utilize the harmony wave reflection that stops of 2 pairs of air-flows of dividing plate to play Noise Reduction, and this moment is because the air pressure in the housing 1 is lower, the valve part 5 at 4 places, the second hole can not opened, thereby guarantees that gas fully shakes to reduce noise in housing 1; When high-speed running automobile, this moment, exhaust sound was not main noise source, this moment is lower to the requirement of exhausting and denoising, and because exhaust flow rate is higher, cause the exhaust silencer internal pressure larger, when pressure during greater than certain value, the valve part 5 at 4 places, the second hole is opened, gas can pass each dividing plate 2 by the first hole 3 and the second hole 4, thereby is conducive to reduce the air pressure in the exhaust silencer.
Wherein, be provided with the second hole 4 on the dividing plate 2, but the utility model is not limited to the position that this second hole 4 arranges.And when housing 1 inside has a plurality of dividing plate 2, being provided with the second hole 4 on the one or more or whole dividing plates 2 in these a plurality of dividing plates 2, the utility model is not limited this.And, for the dividing plate 2 that is provided with simultaneously the first hole 3 and the second hole 4, the utility model to this first hole 3 and the second hole 4 separately setting position and the position relationship between the two do not limited.
In addition, can design the air pressure threshold value that valve part 5 is opened according to the exhaust pressure situation of automobile under different travelling speeds.Like this, when automobile driving speed is lower, the air pressure in the housing of exhaust silencer 1 is during less than this threshold value, and this valve part 5 is closed, and this moment, this exhaust silencer mainly played the effect of noise reduction sound-deadening; When automobile driving speed is higher, the air pressure in the housing of exhaust silencer 1 is during greater than threshold value, and this valve part 5 is opened, this moment, the noise reduction of exhaust silencer descended, but but reduced the exhaust pressure in the housing 1, improved the flow velocity of exhaust, improved the power of motor.
By technique scheme, be provided with the elastic element catch at the dividing plate of exhaust silencer, this elastic element catch can opened under certain air pressure.When the automobile exhaust flow velocity was low, the silencing apparatus internal air pressure was less than threshold value, and the elastic element catch is closed, and this exhaust silencer can be eliminated the noise well; When the automobile exhaust flow velocity is higher, the silencing apparatus internal air pressure is greater than threshold value, the elastic element catch is opened, although noise reduction descends to some extent, but when galloping, exhaust sound no longer has been Main Noise Sources, and this elastic element catch reduces exhaust silencer to the resistance of exhaust airstream after opening, so that exhaust air pressure reduces, for the performance of engine power good effect is arranged.
Preferably, described valve part 5 is for being connected to the elastic element on described housing 1 or the described dividing plate 2.
The above-mentioned valve part 5 of opening under certain air pressure can have numerous embodiments, and wherein a kind of is to utilize elastic element to realize.The integral body of this valve part 5 can be designed as elastic element, this elastic element is connected on housing 1 or the dividing plate 2, elasticity according to elastic element self, when the air pressure in housing reaches on the threshold value can so that deformation of elastic element to opening state, when the air pressure in the housing is lower than threshold value, the valve part 5 of this elastic element can return back to reset condition, thereby again with 4 sealings of the second hole.
Preferably, described valve part 5 is hinged on described housing 1 or the described dividing plate 2, is connected by spring between described valve part 5 and described housing 1 or the described dividing plate 2.
Except the preferred implementation of the above valve part that exemplifies 5, this valve part 5 can also adopt the rigid member that is connected with housing 2 or dividing plate 2, and also link together by spring between valve part 5 and housing 1 or the dividing plate 2, when reaching on the threshold value, the air pressure in housing can promote camber of spring to the valve part opening state, when the air pressure in the housing is lower than threshold value, the spring of this valve part 5 can return back to reset condition, thereby again with 4 sealings of the second hole.
Need to prove, for above-mentioned two kinds of preferred implementations, therefore the threshold value that this valve part 5 opens or closes can be chosen according to the actual conditions of automobile, as the elastic element of valve part 5 be used for making the elastic force of the spring that valve part 5 resets can be according to this threshold value and corresponding the setting.
Below only exemplified the preferred implementation of two kinds of valve parts 5, other forms that are applicable to the valve part 5 of technical solutions of the utility model also can be applied in the utility model.
Preferably, described dividing plate 2 is perpendicular to the axial setting of described housing 1.
In the preferred implementation of as shown in Figure 2 exhaust silencer of the present utility model, suction port and relief opening are arranged on the axial two ends of housing 1, this dividing plate 2 is perpendicular to the axial setting of housing 1, so just be a plurality of chambers that horizontal continuity distributes with housing 1 internal separation, not only be conducive to gas and flow to relief opening from the suction port of housing, also so that the exhaust pressure that dividing plate 2 bears is more even.
In addition, the utility model also provides a kind of automobile, and wherein, this automobile comprises exhaust silencer of the present utility model.
Below describe by reference to the accompanying drawings preferred implementation of the present utility model in detail; but; the utility model is not limited to the detail in the above-mentioned mode of execution; in technical conceive scope of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
Need to prove in addition, each concrete technical characteristics described in above-mentioned embodiment in reconcilable situation, can make up by any suitable mode, for fear of unnecessary repetition, the utility model is to the no longer separately explanation of various possible compound modes.
In addition, also can carry out combination in any between the various mode of execution of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (5)
1. exhaust silencer, this exhaust silencer comprises housing (1) and is arranged on the inner dividing plate (2) of housing (1), be provided with the first hole (3) on this dividing plate (2), it is characterized in that, also be provided with the second hole (4) on the described dividing plate (2), the valve part (5) that can open is located to be provided with in this second hole (4) under certain air pressure.
2. exhaust silencer according to claim 1 is characterized in that, described valve part (5) is for being connected to the elastic element on described housing (1) or the described dividing plate (2).
3. exhaust silencer according to claim 1 is characterized in that, described valve part (5) is hinged on described housing (1) or the described dividing plate (2), is connected by spring between described valve part (5) and described housing (1) or the described dividing plate (2).
4. exhaust silencer according to claim 1 is characterized in that, described dividing plate (2) is perpendicular to the axial setting of described housing (1).
5. an automobile is characterized in that, this automobile comprises the described exhaust silencer of the claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220159639 CN202690170U (en) | 2012-04-13 | 2012-04-13 | Exhaust silencer and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220159639 CN202690170U (en) | 2012-04-13 | 2012-04-13 | Exhaust silencer and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202690170U true CN202690170U (en) | 2013-01-23 |
Family
ID=47545799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220159639 Expired - Fee Related CN202690170U (en) | 2012-04-13 | 2012-04-13 | Exhaust silencer and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202690170U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107503822A (en) * | 2017-09-21 | 2017-12-22 | 永嘉县荣信科技有限公司 | A kind of automobile exhaust muffler |
| CN110364135A (en) * | 2018-03-26 | 2019-10-22 | 欧姆龙健康医疗(中国)有限公司 | Muffler and oxygenerator |
-
2012
- 2012-04-13 CN CN 201220159639 patent/CN202690170U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107503822A (en) * | 2017-09-21 | 2017-12-22 | 永嘉县荣信科技有限公司 | A kind of automobile exhaust muffler |
| CN107503822B (en) * | 2017-09-21 | 2023-12-01 | 重庆广亚机械制造有限公司 | Automobile exhaust silencer |
| CN110364135A (en) * | 2018-03-26 | 2019-10-22 | 欧姆龙健康医疗(中国)有限公司 | Muffler and oxygenerator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101289952B (en) | Expanding cavity adjustable exhaust silencer | |
| CN102003250B (en) | Muffler apparatus for vehicle | |
| CN201202513Y (en) | Exhausting silencer with variable volume | |
| CN103644013A (en) | Automobile muffler | |
| CN204716333U (en) | Multi-cavity resonance exhaust silencer | |
| CN202417651U (en) | Exhaust silencer of automobile | |
| CN203570402U (en) | Silencer for engineering machinery | |
| CN203655385U (en) | Silencer for engine exhaust system | |
| CN202081937U (en) | Muffler for vehicle | |
| CN202690170U (en) | Exhaust silencer and automobile | |
| CN102536388A (en) | Double-mode exhaust silencer | |
| CN105134337B (en) | A kind of automobile exhaust muffler | |
| CN104406287A (en) | Silencer of automobile air-conditioning system | |
| CN201539296U (en) | Resistant vehicle exhaust gas silencer | |
| CN201377347Y (en) | Multi-cavity labyrinth dissipation type silencer | |
| CN203271868U (en) | Exhaust silencer | |
| CN203271867U (en) | Novel exhaust silencer | |
| CN201865728U (en) | Exhaust silencer of gasoline engine | |
| CN203835496U (en) | Silencer | |
| CN203271865U (en) | Efficient exhaust silencer | |
| CN202202924U (en) | Muffler | |
| CN105464755A (en) | Automobile muffler | |
| CN110030061A (en) | A kind of racing car exhaust muffling device | |
| CN205744053U (en) | A kind of automobile exhaust muffler | |
| CN201461033U (en) | Special air exhaust silencer for eliminating high-frequency whistle of engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20170413 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |