CN201666204U - Exit pipe assembly of air inlet system - Google Patents
Exit pipe assembly of air inlet system Download PDFInfo
- Publication number
- CN201666204U CN201666204U CN2009202140843U CN200920214084U CN201666204U CN 201666204 U CN201666204 U CN 201666204U CN 2009202140843 U CN2009202140843 U CN 2009202140843U CN 200920214084 U CN200920214084 U CN 200920214084U CN 201666204 U CN201666204 U CN 201666204U
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- cavity
- bellows
- pipe assembly
- handling system
- port
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Abstract
The utility model relates to an exit pipe assembly of an air inlet system. The exit pipe assembly of the air inlet system comprises a first corrugated pipe, a second corrugated pipe and a cavity in which a Helmholtz resonator is built, wherein a port of the first corrugated pipe is connected with a port of the cavity; the other port of the first corrugated pipe is connected with a throttle body; a port of the second corrugated pipe is connected with the other port of the cavity and the other port of the second corrugated pipe is connected with an air filter; and the cavity is provided with a plurality of supports through which the cavity is connected on the body of an engine. The exit pipe assembly of the air inlet system avoids the possible reliability problem of an external Helmholtz resonator that the connected throat position of the resonator is easy to crack, as well as the arrangement and support problem of the exit pipe of a large-span air inlet system, and reduces the dynamic interference among internal parts of the engine cabin.
Description
[technical field]
The utility model relates to the gas handling system steam outlet pipe assembly in a kind of automotive air intake system, in particular, the utility model relates to the resonator of gas handling system steam outlet pipe assembly, in the power assembly system upgrading that is specially adapted to automobile remodeling in mid-term and carries out, under the situation that does not change original engine compartment periphery layout, the gas handling system tuning element that difficult arrangement is arranged that causes because of the variation of engine compartment spatial constraints and throttle position.
[background technique]
The application in motor of air filtering system and noise reducing system be those skilled in the art extensively known to.Inflow noise in the gas handling system has become the important component part in car noise source, in order effectively to improve gas handling system inflow noise quality, people have used last of the twelve Earthly Branches nurse Hertz resonator, and it is by emulation and calculate gas handling system noise and the optimization automotive interior noise quality that the resonance of setting predeterminated frequency reduces characteristic frequency.
In addition, in existing design because last of the twelve Earthly Branches nurse Hertz resonator has required to constitute the big volume of its chamber and the Placement of resonator and noise source, feasible occupied in the engine compartment than large space.And this space is very valuable in the engine compartment of current compactness.In addition, because the big volume of resonator, it must be placed on the place away from noise source, thereby the connecting tube between resonator and the noise source has further reduced the space of engine compartment.
For example, notice of authorization number provides a kind of air filter of automobile steam outlet pipe with the resonant cavity assembly for the Chinese patent of CN 2900836Y.Its steam outlet pipe pipe shaft two ends are respectively steam outlet pipe filter end interface and steam outlet pipe throttle body end interface, the middle resonant cavity that connects, and one section bellows segment of global formation in the middle of the steam outlet pipe pipe shaft, steam outlet pipe pipe shaft and bellows segment adopt the rubber plastic blend elastomeric material.Though adopted the rubber plastic blend elastomeric material to make it have certain flexibility in this patent, thus can be in the cabin flexi mode, obvious this mode still reasonably is not arranged in resonant cavity in the engine compartment.In addition, blow molding process complexity in this patent, resonant cavity durable reliability under the more good condition of starting building is on the low side, and resonant cavity dynamic motion scope is bigger, also is unfavorable for the layout in the environment of compact engines cabin.
Therefore, the rational deployment of resonator in engine compartment become the technical problem of needing solution badly that gas handling system is designed and developed in the compact engines front deck.
[summary of the invention]
The purpose of this utility model is to overcome above-mentioned defective of the prior art, and a kind of gas handling system steam outlet pipe assembly of novel resonator structure setting type is provided.
The purpose of this utility model can solve by following technical solution:
The utility model provides a kind of gas handling system escape pipe assembly; The cavity that described gas handling system escape pipe assembly includes first bellows, second bellows and is built-in with last of the twelve Earthly Branches nurse Hertz resonator; Wherein, A port of described first bellows is connected with a port of described cavity; Another port of described first bellows is connected with throttle body; A port of described second bellows is connected with another port of described cavity; Another port of described second bellows is connected with air cleaner
Wherein, described cavity is provided with a plurality of supports, by described a plurality of supports described cavity is connected on the engine body.
A kind of gas handling system steam outlet pipe assembly provided by the utility model, preferably, wherein said support is connected with engine body by clamping bolt.
A kind of gas handling system steam outlet pipe assembly provided by the utility model, preferably, the port of wherein said first bellows is respectively equipped with clip, is connected with described throttle body with described cavity respectively by described first bellows of described clip.
A kind of gas handling system steam outlet pipe assembly provided by the utility model, preferably, the port of wherein said second bellows is respectively equipped with clip, is connected with described air filter with described cavity respectively by described second bellows of described clip.
A kind of gas handling system steam outlet pipe assembly provided by the utility model, preferably, wherein be built-in with last of the twelve Earthly Branches nurse Hertz resonator in described cavity, its tuning frequency is according to the internal diameter of the branched pipe of last of the twelve Earthly Branches nurse Hertz resonator, and the volume size of length and described cavity is determined.
A kind of gas handling system steam outlet pipe assembly provided by the utility model, preferably, the volume of wherein said cavity can change by the dividing plate that is arranged on inside cavity.
A kind of gas handling system steam outlet pipe assembly provided by the utility model, preferably, the described a plurality of supports of wherein said cavity integral molded plastic moulding.
A kind of gas handling system steam outlet pipe assembly provided by the utility model, preferably, wherein said cavity inner wall self molding and forming has stiffening rib, the radiation noise that expands and produce owing to gas in order to the wall that reduces described cavity.
Obviously, gas handling system steam outlet pipe assembly in the above-mentioned mode of execution, overcome the defective that takies the too many space of engine compartment that exists in the prior art, can be in limited space the rational deployment resonator, and, resonator of the present utility model can further be simplified the adjustment of noise reduction frequency, regulates the noise reduction frequency more simply and easily as required thereby be more conducive to the technician when the exploitation gas handling system.
[description of drawings]
Below in conjunction with accompanying drawing, preferred implementation of the present utility model is described, wherein,
Fig. 1 has the structural representation of the gas handling system steam outlet pipe assembly of resonator for the utility model;
Fig. 2 schematically illustrates the structural principle of built-in last of the twelve Earthly Branches nurse Hertz resonator of the present utility model.
[embodiment]
Understand easily, according to the technical solution of the utility model, do not changing under the connotation of the present utility model, the those skilled in the art that this technology is familiar with in related domain can propose a plurality of mode of structure of the present utility model.Therefore following embodiment and accompanying drawing only are to the specifying of technical solutions of the utility model, and should not be considered as of the present utility model all or be considered as qualification or restriction to technical solutions of the utility model.
Please refer to accompanying drawing 1, gas handling system steam outlet pipe assembly of the present utility model mainly includes the cavity 3 of first bellows 1, second bellows 2 and built-in last of the twelve Earthly Branches nurse Hertz resonator.Wherein, a port of first bellows 1 is connected on the port of cavity 3 of built-in last of the twelve Earthly Branches nurse Hertz resonator, and the another port of first bellows 1 is connected on the throttle body (not shown).One port of second bellows 2 is connected on the another port of cavity 3 of built-in last of the twelve Earthly Branches nurse Hertz resonator, and its other end is connected on the air filter (not shown).In a preferred implementation of the present utility model, above-mentioned connection can realize that under this mode, clip is separately positioned on the port of first bellows 1 and second bellows by clip 51,52,53 and 54.In addition, preferably, first bellows 1 and second bellows 2 have certain flexibility, so that its layout in engine compartment.
The structure of the cavity 3 of built-in last of the twelve Earthly Branches nurse Hertz resonator of the present utility model is as shown in accompanying drawing 1, and wherein, the air inlet port of cavity 3 both sides and the port of giving vent to anger are connected in second bellows 2 and first bellows 1.Have in these cavity 3 outer installment cavity 3 is directly connected to three supports 41,42 and 43 on the engine body, these supports preferably with the moulding of cavity integral molded plastic.By clamping bolt support 41,42 is connected with engine body with 43, cavity 3 is fixed on the engine body, make it with the engine body servo-actuated.Certainly, for a person skilled in the art, obviously can be provided with a plurality of supports according to actual conditions on the cavity 3, with the connection of reinforced liner.And the material of support and structure should satisfy certain rigidity requirement and requirement of strength, to avoid causing owing to the vibration of motor the fracture or the distortion of support.In addition, the inwall of cavity 3 self molding and forming has a plurality of stiffening ribs, guarantees that the cavity wall satisfies the requirement of vibrating noise mode, and reduces the wall of cavity 3 because the radiation noise that the gas expansion produces.
Be provided with built-in last of the twelve Earthly Branches nurse Hertz resonator in the cavity 3, below with reference to Fig. 2, the structural principle of specification built-in last of the twelve Earthly Branches nurse Hertz resonator of the present utility model schematically.Flow into second bellows 2 through the cleaned air after the air filter filtration,, and finally flow into throttle body by first bellows 1 by resonator cavities 3.Wherein in cavity 3, be provided with branched pipe 7.These branched pipe 7 one ends are connected the person in charge's part in the cavity 3, and the other end is a sealed end, thereby in the cavity 3 inner anechoic chambers that form.Wherein, the volume of the internal diameter of branched pipe 7, length and cavity 3 will directly be determined the natural frequency of the sound that resonator can be eliminated.Obviously, in this structure, those skilled in the art is in the gas handling system development process, and the position that only needs to regulate cavity 3 internal partitions changes the volume size of cavity 3, perhaps regulate the internal diameter and the length of branched pipe 3, just can regulate the noise of the fixed frequency of required elimination like a cork.
Understand easily, the gas handling system steam outlet pipe assembly that has resonator of the present utility model also has a plurality of mode of executions, for example adopts between first bellows 1, second bellows 2 and the cavity 3 to be threaded; It is first-class that the support of cavity 3 is welded direct to engine compartment.Obviously, not changing under the connotation of the present utility model, for one of ordinary skill in the art,, be the utility model claim and comprise the conspicuous modifications and variations that the foregoing description is done.
The gas handling system escape pipe assembly of this utility model has following beneficial effect:
1. utilized engine body as support, the connectivity problem that has effectively solved hypertelorism between air filter housing gas outlet and the engine air throttle body and produced, this connection obviously can occupy enging cabin than large space, and solved the durable and integrity problem of vibration of the resonator of gas handling system escape pipe side by the support on the cavity.
2. simplified the engineering staff needs constantly to adjust last of the twelve Earthly Branches nurse Hertz resonator in the gas handling system exploitation frequency problem, the position that makes its need adjust the inside cavity dividing plate changes the volume of cavity or internal diameter and the length of the branched pipe in the change cavity just can realize adjusting the tuning frequency, thereby finally realizes the optimization of system.
Claims (8)
1. gas handling system steam outlet pipe assembly, described gas handling system steam outlet pipe assembly includes first bellows, second bellows and the cavity that is built-in with last of the twelve Earthly Branches nurse Hertz resonator, wherein, a port of described first bellows is connected with a port of described cavity, another port of described first bellows is connected with throttle body, a port of described second bellows is connected with another port of described cavity, another port of described second bellows is connected with air filter, wherein said cavity is provided with a plurality of supports, by described a plurality of supports described cavity is connected on the engine body.
2. gas handling system steam outlet pipe assembly as claimed in claim 1, wherein said support is connected with engine body by clamping bolt.
3. gas handling system steam outlet pipe assembly as claimed in claim 1, the port of wherein said first bellows is respectively equipped with clip, is connected with described throttle body with described cavity respectively by described first bellows of described clip.
4. gas handling system steam outlet pipe assembly as claimed in claim 1, the port of wherein said second bellows is respectively equipped with clip, is connected with described air filter with described cavity respectively by described second bellows of described clip.
5. gas handling system steam outlet pipe assembly according to claim 1 wherein is built-in with last of the twelve Earthly Branches nurse Hertz resonator in described cavity, its tuning frequency is according to the internal diameter of the branched pipe of last of the twelve Earthly Branches nurse Hertz resonator, and the volume size of length and described cavity is determined.
6. gas handling system steam outlet pipe assembly according to claim 5, the volume of wherein said cavity can change by the dividing plate that is arranged on inside cavity.
7. gas handling system steam outlet pipe assembly according to claim 1, the described a plurality of supports of wherein said cavity integral molded plastic moulding.
8. gas handling system steam outlet pipe assembly according to claim 1, wherein said cavity inner wall self molding and forming has stiffening rib, the radiation noise that expands and produce owing to gas in order to the wall that reduces described cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202140843U CN201666204U (en) | 2009-11-23 | 2009-11-23 | Exit pipe assembly of air inlet system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202140843U CN201666204U (en) | 2009-11-23 | 2009-11-23 | Exit pipe assembly of air inlet system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201666204U true CN201666204U (en) | 2010-12-08 |
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ID=43267163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202140843U Expired - Fee Related CN201666204U (en) | 2009-11-23 | 2009-11-23 | Exit pipe assembly of air inlet system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201666204U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102418633A (en) * | 2011-10-28 | 2012-04-18 | 奇瑞汽车股份有限公司 | Installation structure for air filter air inlet pipe and resonant cavity |
| CN103629024A (en) * | 2012-08-22 | 2014-03-12 | 曼胡默尔滤清器（上海）有限公司 | Air filter integrating resonant cavity |
| CN104005889A (en) * | 2014-06-13 | 2014-08-27 | 成都万友滤机有限公司 | Combined resonator |
| CN105569890A (en) * | 2015-12-18 | 2016-05-11 | 力帆实业(集团)股份有限公司 | Car, resonant cavity and manufacturing method of resonant cavity |
-
2009
- 2009-11-23 CN CN2009202140843U patent/CN201666204U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102418633A (en) * | 2011-10-28 | 2012-04-18 | 奇瑞汽车股份有限公司 | Installation structure for air filter air inlet pipe and resonant cavity |
| CN103629024A (en) * | 2012-08-22 | 2014-03-12 | 曼胡默尔滤清器（上海）有限公司 | Air filter integrating resonant cavity |
| CN104005889A (en) * | 2014-06-13 | 2014-08-27 | 成都万友滤机有限公司 | Combined resonator |
| CN105569890A (en) * | 2015-12-18 | 2016-05-11 | 力帆实业(集团)股份有限公司 | Car, resonant cavity and manufacturing method of resonant cavity |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101208 Termination date: 20171123 |