CN204492924U - A kind of intake silencer of motor car engine - Google Patents
A kind of intake silencer of motor car engine Download PDFInfo
- Publication number
- CN204492924U CN204492924U CN201520023761.9U CN201520023761U CN204492924U CN 204492924 U CN204492924 U CN 204492924U CN 201520023761 U CN201520023761 U CN 201520023761U CN 204492924 U CN204492924 U CN 204492924U
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- Prior art keywords
- noise elimination
- noise
- chamber
- shell
- wall
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- Expired - Fee Related
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- 230000003584 silencer Effects 0.000 title claims abstract description 28
- 230000008030 elimination Effects 0.000 claims abstract description 99
- 238000003379 elimination reaction Methods 0.000 claims abstract description 99
- 238000005452 bending Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
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- Exhaust Silencers (AREA)
Abstract
The utility model discloses a kind of intake silencer of motor car engine, comprise in the noise elimination that is communicated with engine air inlet tube and managing, and sealing is arranged on, and noise elimination is interior manages noise elimination shell that is outer and gap-forming chamber with it, the reducing bending that the radial clearance of chamber is changed is provided with in the middle part of described noise elimination shell, in noise elimination, pipe is provided with at least two dividing plates distributed vertically around its outer wall, by these dividing plates, interior chamber of managing between noise elimination shell of eliminating the noise is divided into the expansion cavity of arranging vertically of respective numbers, one of them dividing plate is corresponding with the reducing bending place of noise elimination shell, and in eliminating the noise pipe tube wall on be provided with the noise elimination through hole that array arranges vertically, the corresponding one group of noise elimination through hole of each expansion cavity.The utility model, by the expansion cavity of design many groups noise elimination through hole and different-diameter on the pipeline of turbosupercharged engine air inlet, makes the inflow noise of corresponding frequencies constantly reflect consumed energy through out-of-date to be diffused in chamber by it, thus reduces noise.
Description
Technical field
The utility model relates to automobile making and component technical field thereof, particularly relates to the gas handling system of auto turbo-supercharged engine, specifically, relates to a kind of intake silencer of motor car engine.
Background technique
Along with national environmental protection portion is more and more stricter to the requirement of motor vehicle emission, and general public is valued especially to vehicle economy and power character, and automobile domestic at present starts to use turbosupercharged engine in a large number.Due to self working principle of turbosupercharger, inevitably increase the noise problem of motor.
The gas handling system of motor is as " respiratory tract " of motor, it is while guarantee air input of engine by air, also bears and eliminates or the effect of decay engine charge noise.Therefore, in gas handling system, add silencer decay induction noise just seem very necessary, and the rare intake silencer of motor field current.
Model utility content
For the problem that the induction noise overcoming motor car engine in prior art, especially turbosupercharged engine is larger, the intake silencer of the motor car engine that the utility model provides a kind of structure simple, reasonable in design, easy to use.
To achieve these goals, the technical solution adopted in the utility model is as follows:
A kind of intake silencer of motor car engine, comprise in the noise elimination that is communicated with engine air inlet tube and managing, and sealing is arranged on, and noise elimination is interior manages noise elimination shell that is outer and gap-forming chamber with it, the reducing bending that the radial clearance of chamber is changed is provided with in the middle part of described noise elimination shell, in described noise elimination, pipe is provided with at least two distributions vertically and the dividing plate mated with noise elimination outer casing inner wall around its outer wall, by these dividing plates, interior chamber of managing between noise elimination shell of eliminating the noise is divided into the expansion cavity of arranging vertically of respective numbers, one of them dividing plate is corresponding with the reducing bending place of noise elimination shell, and in eliminating the noise pipe tube wall on be provided with the noise elimination through hole that array arranges vertically, the corresponding one group of noise elimination through hole of each expansion cavity, often organize noise elimination through hole circumferentially uniform on the radial cross section at its place.
Further, the middle part that noise elimination through hole is located axially at its corresponding expansion cavity is often organized.
Further, by the dividing plate of described reducing bending place chamber is separated into compared with the expansion cavity at least there is a dividing plate being divided into respective numbers in capacitor, or/and at least there is the expansion cavity that a dividing plate is divided into respective numbers in the larger chamber be separated into by chamber by the dividing plate of described reducing bending place.
Particularly, the end of described less one end of noise elimination shell extends to form the little end plate of chamber towards tubular axis heart place in noise elimination, and mates with pipe in noise elimination the end through hole be connected in extending end place formation one.
For the ease of connecting, the end outer wall of described less one end of noise elimination shell is provided with the connection protuberance of evagination.
Further, the intake silencer of this motor car engine also comprises and being arranged on engine air inlet tube for connecting the housing connecting head of this less one end of noise elimination shell, this housing connecting head is tubular, its inwall is being provided with the connecting groove connecting protuberance in order to coupling near suction tude side, its outer wall is being convenient to the fixing snap-ring groove of jointing clip away from suction tude side is provided with.Between this connecting groove and connection protuberance, also can seal ring be set.
Particularly, described noise elimination outer wall of inner tube extends to form away from axle center evagination in corresponding position, noise elimination shell larger one end and mates the large end plate of the chamber be connected with shell of eliminating the noise, and the periphery of the large end plate of this chamber has a ring-shaped step; Be provided with it in the curved extension of one at the end outer wall of the large end of noise elimination shell, this curved extension and ring-shaped step surround one jointly for installing the annular vallecular cavity of fit sealing outer ring.For the ease of being connected and fixed, noise elimination shell large end end is also fixedly connected with by the large end plate of screw and chamber.And in order to ensure the degree of accuracy connecting contraposition, also can positioning groove be set at the large end plate of chamber and noise elimination shell large end ends contact place.
In order to improve the connection sealing at the large end place of noise elimination shell, have the seal boss of a ring-type in the chamber of the large end plate of described chamber in the large end of noise elimination shell, the inner wall of end of sealing boss and the large end of noise elimination shell forms one for installing the annular space sealing inner ring.It should be noted that, said structure greatly can also facilitate the assembling of this intake silencer, pipe and noise elimination shell two large divisions in its main body is mainly and eliminates the noise, only need have one end of dividing plate to be inserted to small end by the large end of shell of eliminating the noise pipe racks in noise elimination during assembling, and fixing at large end place.In order to improve the steadiness of connection further, the larger chamber outer wall be divided into by chamber at the dividing plate by reducing bending place is also provided with a pair locating bump in the form of a ring, make a circle fastening with this outside this larger chamber to the fastening clamp that the gap between locating bump is mated, a dividing plate now in this larger chamber is just to the gap between locating bump, being used as the support to fastening clamp.
Further, the intake silencer of this motor car engine also comprises and being arranged on engine air inlet tube for connecting the body connecting head of noise elimination inner pipe end corresponding to the large end of noise elimination shell, described noise elimination inner pipe end outer wall is provided with the connection protuberance of evagination, this body connecting head inwall is provided with the connecting groove being connected protuberance with this and mating, and its outer wall is provided with and is convenient to the fixing snap-ring groove of jointing clip.
Compared with prior art, the utility model has following beneficial effect:
(1) the utility model is by the expansion cavity of design many groups noise elimination through hole and different-diameter on the pipeline of turbosupercharged engine air inlet, the inflow noise of corresponding frequencies is made constantly to reflect consumed energy through out-of-date to be diffused in chamber by it, thus reduction noise, its structure is simple, design ingenious, compact is compact, manufactures simple possible, be with a wide range of applications, be applicable to applying.
(2) what noise elimination shell of the present utility model and the employing of interior pipe were mated connects and fixes form mutually, can ensure its steadiness be connected by simply inserting with fixing, is ensureing the convenient degree its using effect basis substantially increasing its assembling use.
(3) the utility model is achieved by effective clip clamping and is connected with the firm of engine charge pipeline; And the double seal of exterior seal ring ensure that the sealing soundproof effect of expansion cavity in utilizing.
Accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present utility model.
Fig. 2 is the annexation cross-sectional schematic of intake silencer and admission line in the utility model.
Fig. 3 is the connection appearance schematic diagram of intake silencer and admission line in the utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, and mode of execution of the present utility model includes but not limited to the following example.
Embodiment
As shown in Figure 1 to Figure 3, the intake silencer of this motor car engine, the problem that the inflow noise mainly for existing turbocharged engine is larger, can effectively reduce its inflow noise by installing this intake silencer on the admission line of turbosupercharged engine additional.This intake silencer comprises pipe 10 in the noise elimination that is communicated with engine air inlet tube, and sealing is arranged on, and noise elimination is interior manages noise elimination shell 20 that is outer and gap-forming chamber with it, the reducing bending 21 that the radial clearance of chamber is changed is provided with in the middle part of described noise elimination shell, in described noise elimination, pipe is provided with at least two distributions vertically and the dividing plate 11 mated with noise elimination outer casing inner wall around its outer wall, by these dividing plates, interior chamber of managing between noise elimination shell of eliminating the noise is divided into the expansion cavity 31 of arranging vertically of respective numbers, one of them dividing plate is corresponding with the reducing bending place of noise elimination shell, and in eliminating the noise pipe tube wall on be provided with the noise elimination through hole 12 that array arranges vertically, the corresponding one group of noise elimination through hole of each expansion cavity, often organize noise elimination through hole circumferentially uniform on the radial cross section at its place, preferred four ringwise dividing plates in the present embodiment, five expansion cavities are in the form of a ring formed with this, correspondingly there are five groups of noise elimination through holes, noise elimination through hole number often in group and aperture by for the noise spectrum analysis of motor of different model determine.Wherein corresponding with the reducing bending place of noise elimination shell to the 3rd dividing plate of large end by small end, first with second dividing plate become by the 3rd baffle for separating compared with forming three less expansion cavities in capacitor, 4th dividing plate is in the larger chamber become by the 3rd baffle for separating and form two larger expansion cavities, in order to weaken different main noise frequencies, thus reduce noise on the whole.In further improving, also by the bending of diverse location place reducing, the diameter of expansion cavity is had and change more, to mate the turbosupercharged engine of different model.
For the connection of this intake silencer, comprise the connection between pipe and noise elimination shell in eliminating the noise, and the connection between this silencing apparatus and admission line, there is following setting in the utility model:
In this less one end of noise elimination shell, its end extends to form the little end plate 22 of chamber towards the interior tubular axis heart place that eliminates the noise, and mates with pipe in noise elimination the end through hole 23 be connected in extending end place formation one, and the one end of interior pipe of eliminating the noise then is mated with this end through hole and is connected.Particularly, in noise elimination, one end of pipe can be connected with this end through hole by screw thread; Also can by the seal ring coupling that the conical surface and its are arranged, when it adopts the conical surface to connect, in eliminating the noise, the end of pipe is the outer rim conical surface, is interior annular conical surface in through hole, end.Now the link position of this end and engine charge pipeline is on noise elimination shell.For the ease of connecting, the end outer wall of this less one end of noise elimination shell is provided with the connection protuberance 5 of evagination.Correspondingly, at engine air inlet tube 1, the position connecting this end is provided with tubular housing connecting head 2, its inwall is being provided with the connecting groove 4 connecting protuberance in order to coupling near suction tude side, its outer wall is being convenient to the fixing snap-ring groove of jointing clip 6 away from suction tude side is provided with.Between this connecting groove and connection protuberance, also can seal ring be set, the noise elimination outer shell outer wall of housing connecting head outer end position also can arrange position-arresting ring 7.
In the larger one end of noise elimination shell, the outer wall of interior pipe of eliminating the noise extends to form away from axle center evagination and mates the large end plate 13 of the chamber be connected with shell of eliminating the noise, the periphery of the large end plate of this chamber has a ring-shaped step 14; Be provided with it in the curved extension 24 of one at the end outer wall of the large end of noise elimination shell, this curved extension and ring-shaped step surround one jointly for installing the annular vallecular cavity of fit sealing outer ring 25.For the ease of being connected and fixed, noise elimination shell large end end is also fixedly connected with by the large end plate of screw and chamber.And in order to ensure the degree of accuracy connecting contraposition, at the large end plate of chamber and noise elimination shell large end ends contact place, also positioning groove 17 can be set.In order to improve the connection sealing at the large end place of noise elimination shell, have the seal boss 15 of a ring-type in the chamber of the large end plate of described chamber in the large end of noise elimination shell, the inner wall of end of sealing boss and the large end of noise elimination shell forms one for installing the annular space sealing inner ring 16.
It should be noted that, said structure greatly can also facilitate the assembling of this intake silencer, pipe and noise elimination shell two large divisions in its main body is mainly and eliminates the noise, only need have one end of dividing plate to be inserted to small end by the large end of shell of eliminating the noise pipe racks in noise elimination during assembling, and fixing at large end place.In order to improve the steadiness of connection further, the larger chamber outer wall be divided into by chamber at the dividing plate by reducing bending place is also provided with a pair locating bump 8 in the form of a ring, make a circle fastening with this outside this larger chamber to the fastening clamp that the gap between locating bump is mated, a dividing plate now in this larger chamber is just to the gap between locating bump, being used as the support to fastening clamp 9.
This end is when being connected with engine charge pipeline, be provided with the body connecting head 3 be connected with this end of interior pipe of eliminating the noise for the position connecting this end at engine air inlet tube, described noise elimination inner pipe end outer wall is provided with the connection protuberance 5 of evagination, this body connecting head inwall is provided with the connecting groove being connected protuberance with this and mating, and its outer wall is provided with and is convenient to the fixing snap-ring groove of jointing clip 6.
By the design of said structure, the inflow noise of motor effectively can be reduced, especially the inflow noise of turbosupercharged engine.
Above-described embodiment is only preferred embodiment of the present utility model; restriction not to the utility model protection domain; in every case design principle of the present utility model being adopted, and the change carried out non-creativeness work on this basis and make, all should belong within protection domain of the present utility model.
Claims (10)
1. the intake silencer of a motor car engine, comprise in the noise elimination that is communicated with engine air inlet tube (1) and managing (10), and sealing is arranged on, and noise elimination is interior manages noise elimination shell (20) that is outer and gap-forming chamber with it, it is characterized in that, reducing bending (21) that the radial clearance of chamber is changed is provided with in the middle part of described noise elimination shell, in described noise elimination, pipe is provided with at least two distributions vertically and the dividing plate (11) mated with noise elimination outer casing inner wall around its outer wall, by these dividing plates, interior chamber of managing between noise elimination shell of eliminating the noise is divided into the expansion cavity (31) of arranging vertically of respective numbers, one of them dividing plate is corresponding with the reducing bending place of noise elimination shell, and in eliminating the noise pipe tube wall on be provided with the noise elimination through hole (12) that array arranges vertically, the corresponding one group of noise elimination through hole of each expansion cavity, often organize noise elimination through hole circumferentially uniform on the radial cross section at its place.
2. the intake silencer of a kind of motor car engine according to claim 1, is characterized in that, often organizes the middle part that noise elimination through hole is located axially at its corresponding expansion cavity.
3. the intake silencer of a kind of motor car engine according to claim 1 and 2, it is characterized in that, by the dividing plate of described reducing bending place chamber is separated into compared with the expansion cavity at least there is a dividing plate being divided into respective numbers in capacitor, or/and at least there is the expansion cavity that a dividing plate is divided into respective numbers in the larger chamber be separated into by chamber by the dividing plate of described reducing bending place.
4. the intake silencer of a kind of motor car engine according to claim 1 and 2, it is characterized in that, the end of described less one end of noise elimination shell extends to form the little end plate of chamber (22) towards tubular axis heart place in noise elimination, and mates with pipe in noise elimination the end through hole (23) be connected in extending end place formation one.
5. the intake silencer of a kind of motor car engine according to claim 4, is characterized in that, the end outer wall of described less one end of noise elimination shell is provided with the connection protuberance (5) of evagination.
6. the intake silencer of a kind of motor car engine according to claim 5, it is characterized in that, also comprise and being arranged on engine air inlet tube for connecting the housing connecting head (2) of this less one end of noise elimination shell, this housing connecting head is tubular, its inwall is being provided with the connecting groove (4) connecting protuberance in order to coupling near suction tude side, its outer wall is being convenient to the fixing snap-ring groove of jointing clip (6) away from suction tude side is provided with.
7. the intake silencer of a kind of motor car engine according to claim 1 and 2, it is characterized in that, described noise elimination outer wall of inner tube extends to form away from axle center evagination in corresponding position, noise elimination shell larger one end and mates the large end plate of the chamber be connected (13) with shell of eliminating the noise, and the periphery of the large end plate of this chamber has a ring-shaped step (14); Be provided with it in the curved extension (24) of one at the end outer wall of the large end of noise elimination shell, this curved extension and ring-shaped step surround one jointly for installing the annular vallecular cavity of fit sealing outer ring (25).
8. the intake silencer of a kind of motor car engine according to claim 7, it is characterized in that, have the seal boss (15) of a ring-type in the chamber of the large end plate of described chamber in the large end of noise elimination shell, the inner wall of end of sealing boss and the large end of noise elimination shell forms one for installing the annular space sealing inner ring (16).
9. the intake silencer of a kind of motor car engine according to claim 7, it is characterized in that, also comprise and being arranged on engine air inlet tube for connecting the body connecting head (3) of noise elimination inner pipe end corresponding to the large end of noise elimination shell, described noise elimination inner pipe end outer wall is provided with the connection protuberance (5) of evagination, this body connecting head inwall is provided with the connecting groove being connected protuberance with this and mating, and its outer wall is provided with and is convenient to the fixing snap-ring groove of jointing clip (6).
10. the intake silencer of a kind of motor car engine according to claim 7, is characterized in that, the large end plate of described chamber and noise elimination shell large end ends contact place are provided with positioning groove (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520023761.9U CN204492924U (en) | 2015-01-14 | 2015-01-14 | A kind of intake silencer of motor car engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520023761.9U CN204492924U (en) | 2015-01-14 | 2015-01-14 | A kind of intake silencer of motor car engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204492924U true CN204492924U (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520023761.9U Expired - Fee Related CN204492924U (en) | 2015-01-14 | 2015-01-14 | A kind of intake silencer of motor car engine |
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| Country | Link |
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| CN (1) | CN204492924U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564454A (en) * | 2015-01-14 | 2015-04-29 | 四川汽车工业股份有限公司 | Intake muffler of automobile engine and realization method |
| CN106640277A (en) * | 2015-11-02 | 2017-05-10 | 北汽福田汽车股份有限公司 | Silencer assembly, and air inlet system, exhaust system and vehicle with same |
| CN107514325A (en) * | 2017-10-17 | 2017-12-26 | 天津大创科技有限公司 | A kind of denoising device applied to automotive air intake pipeline |
| CN111503874A (en) * | 2020-04-26 | 2020-08-07 | 青岛海尔空调电子有限公司 | Silencer and fresh air system with same |
-
2015
- 2015-01-14 CN CN201520023761.9U patent/CN204492924U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564454A (en) * | 2015-01-14 | 2015-04-29 | 四川汽车工业股份有限公司 | Intake muffler of automobile engine and realization method |
| CN106640277A (en) * | 2015-11-02 | 2017-05-10 | 北汽福田汽车股份有限公司 | Silencer assembly, and air inlet system, exhaust system and vehicle with same |
| CN107514325A (en) * | 2017-10-17 | 2017-12-26 | 天津大创科技有限公司 | A kind of denoising device applied to automotive air intake pipeline |
| CN107514325B (en) * | 2017-10-17 | 2024-04-30 | 天津大创科技有限公司 | Noise reduction device applied to automobile air inlet pipeline |
| CN111503874A (en) * | 2020-04-26 | 2020-08-07 | 青岛海尔空调电子有限公司 | Silencer and fresh air system with same |
| CN111503874B (en) * | 2020-04-26 | 2023-03-28 | 青岛海尔空调电子有限公司 | Silencer and fresh air system with same |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 610100 Chengdu Longquanyi District, Chengdu Economic and Technological Development Zone (Longquanyi District) 625 Beijing Road, Chengdu, Sichuan Province Patentee after: SICHUAN YEMA AUTOMOBILE Co.,Ltd. Address before: 610100 Chengdu Longquanyi District, Chengdu Economic and Technological Development Zone (Longquanyi District) 625 Beijing Road, Chengdu, Sichuan Province Patentee before: SICHUAN AUTOMOBILE INDUSTRY Co.,Ltd. |
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| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20210115 Granted publication date: 20150722 |
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| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20240115 Granted publication date: 20150722 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 |