CN106286038B - A kind of silence type car admission line system - Google Patents
A kind of silence type car admission line system Download PDFInfo
- Publication number
- CN106286038B CN106286038B CN201610951167.5A CN201610951167A CN106286038B CN 106286038 B CN106286038 B CN 106286038B CN 201610951167 A CN201610951167 A CN 201610951167A CN 106286038 B CN106286038 B CN 106286038B
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- Prior art keywords
- pipe
- pipeline
- core pipe
- admission line
- line system
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- 230000008030 elimination Effects 0.000 claims abstract description 60
- 238000003379 elimination reaction Methods 0.000 claims abstract description 60
- 238000009423 ventilation Methods 0.000 claims abstract description 8
- 230000001743 silencing effect Effects 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 31
- 238000005452 bending Methods 0.000 claims description 30
- 238000005520 cutting process Methods 0.000 claims description 17
- 238000005192 partition Methods 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 230000001788 irregular Effects 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 29
- 230000000694 effects Effects 0.000 description 25
- 229920003023 plastic Polymers 0.000 description 9
- 239000004033 plastic Substances 0.000 description 9
- 230000003584 silencer Effects 0.000 description 9
- 238000007789 sealing Methods 0.000 description 8
- 238000013016 damping Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000005457 optimization Methods 0.000 description 6
- 230000003139 buffering effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003032 molecular docking Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010992 reflux Methods 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 235000013399 edible fruits Nutrition 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 229920002943 EPDM rubber Polymers 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 230000030279 gene silencing Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008450 motivation Effects 0.000 description 2
- 230000003519 ventilatory effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10006—Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K13/00—Arrangement in connection with combustion air intake or gas exhaust of propulsion units
- B60K13/02—Arrangement in connection with combustion air intake or gas exhaust of propulsion units concerning intake
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10091—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10091—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements
- F02M35/10137—Flexible ducts, e.g. bellows or hoses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10314—Materials for intake systems
- F02M35/10321—Plastics; Composites; Rubbers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
- F02M35/1255—Intake silencers ; Sound modulation, transmission or amplification using resonance
- F02M35/1261—Helmholtz resonators
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Exhaust Silencers (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The invention discloses a kind of silence type car admission line systems, it is characterized in that, an air inlet muffler pipe using nurse hertz noise-cancelling theory suddenly is provided in admission line system, the air inlet muffler pipe includes a core pipe, core pipe inner cavity forms the channel part for ventilation, several sound attenuation holes have circumferentially been evenly arranged in the middle part of core pipe, and periphery is arranged with a noise elimination shell, noise elimination shell both ends and core pipe sealed set and constitutes the chamber portion for generating resonant silencing effect between noise elimination shell and core pipe in the middle part of core pipe.The advantages that present invention has structure simple, can reduce noise, facilitates connection, is conducive to assembly, reduces vibration.
Description
Technical field
The present invention relates to motorcar engine gas handling system fields, in particular to a kind of silence type car admission line system
System.
Background technique
The components aggregate that air or gaseous mixture import cylinder is called engine aspirating system in car.Hair
In motivation gas handling system, air filter is to realize the main member of air inlet part, for realizing to entrance engine air
Filtering.Air filter is generally positioned at engine top position, and the gas outlet of air filter is connected to engine section by admission line
Valve.
Existing car admission line system, the general structure shape for using integral type hose or two sections of dock hoses
Formula.Such as a kind of automobile engine intake tube disclosed in CN201520081736.6, including air inlet pipe one and air inlet pipe two, air inlet
It is connected between pipe one and air inlet pipe two by swan-neck, air inlet pipe one, air inlet pipe two and swan-neck are integrally formed, air inlet pipe one
It is inside provided with fan, fan includes the bracket and several blades being set on one inner wall of air inlet pipe, and the middle part of bracket is equipped with band
The rotor of movable vane piece rotation is fixed with the lattice framing for fixed rotor on bracket, is provided with control wind on the outer wall of air inlet pipe one
Fan the electronic controller of revolving speed.For another example a kind of automobile engine intake tube disclosed in CN201120426933.9, including
First segment air inlet pipe, second segment air inlet pipe, sensor erection support and buffer ferrule；The upper end of the first segment air inlet pipe with
The lower end of the second segment air inlet pipe is connected by the sensor erection support；The buffer ferrule be set to the first segment into
The lower end of tracheae；It is integrated between the sensor erection support and the first segment air inlet pipe and the second segment air inlet pipe
Type structure.
The automobile engine intake tube of above-mentioned two existing patent, just belongs to the structure type of two sections of dock hoses.
This existing engine charge pipeline system, although relatively simple in structure, if but still having the following deficiencies: 1, pipeline
Material is really up to the mark, be unfavorable for install and turn to, if while pipeline material it is excessively soft and can increase pipeline shake and influence pipe-line system
It works normally, generating collision leads to breakage.2, pipe-line system both ends and engine air throttle and air filter outlet connection still
It is so inconvenient.3, since pipe-line system turning is larger, cause to be easy to produce noise when air inlet, especially when air inflow is larger, make an uproar
Sound is larger.Especially in the car of a model LFX70, sent out since air input of engine by air is larger, and in the vehicle
Motivation air throttle and air filter outlet setting direction only exist smaller angle, cause drawbacks described above particularly evident close to consistent, need
New admission line system is designed to overcome one's shortcomings.
Summary of the invention
In view of the above shortcomings of the prior art, the technical problems to be solved by the present invention are: how to provide a kind of structure letter
It is single, it can reduce noise, facilitate connection, be conducive to assembly, reduce the silence type car admission line system of vibration.
In order to solve the above-mentioned technical problem, present invention employs the following technical solutions:
A kind of silence type car admission line system a, which is characterized in that use is provided in admission line system
The air inlet muffler pipe of nurse hertz noise-cancelling theory suddenly, the air inlet muffler pipe include a core pipe, and core pipe inner cavity forms and is used for
The channel part of ventilation, core pipe middle part has circumferentially been evenly arranged several sound attenuation holes, and core pipe middle part periphery is arranged with one and disappears
Sound shell, noise elimination shell both ends and core pipe sealed set are simultaneously constituted between noise elimination shell and core pipe for generating resonant silencing effect
The chamber portion of fruit.
In this way, the setting of air inlet muffler pipe, can reduce vehicle and make an uproar so that resonant silencing principle is to eliminate inflow noise
Sound pollution.In acoustic wave filter structure, the setting of core pipe can utmostly avoid the interference flowed to air, meanwhile, around core pipe
Noise elimination shell is set and forms resonant cavity, the sound attenuation hole in core pipe can be realized part noise elimination effect, then be formed by noise elimination shell
Resonant cavity re-form part noise elimination effect, preferably eliminate pneumatic noise.
As optimization, the side of the noise elimination shell is designed as being gradually reduced apart from core pipe distance from front to back vertically
Three-level it is step-like, and every section of side of noise elimination shell stepped outer surface is that the round and smooth linking of multistage arcwall face is constituted not in the circumferential
Ruled surface, the noise elimination shell other side are designed as including one section of direct slope section by front position and one section of slope rearward vertically
Section shape, and the noise elimination shell side is the irregular folding that multistage plane is folded to that the round and smooth linking in connected and junction is constituted in the circumferential
To joint face.
In this way, shell side is designed as, three-level is step-like, can preferably carry out for the noise of three kinds of frequency segment limits
It eliminates the noise, while unique shell mechanism of silencer, so that equal structure on its axial front-rear position and circumferential all directions position
At irregular and asymmetrical inner-cavity structure, the effect that sound wave reflection interference is eliminated the noise in noise elimination shell inner cavity is greatlyd improve in this way
Fruit.Inflow noise can utmostly be eliminated.
Further, the core pipe be further fixedly arranged on extend outwardly and be fixedly attached to noise elimination outer casing inner wall two circle every
Plate, what partition outer end was connected to noise elimination shell step is folded to place.
Make the noise elimination resonant cavity that three different volumes are correspondingly formed at three-level step by two partitions in this way, it can be more
The noise on three frequency bands is targetedly eliminated, noise elimination specific aim is improved and better ensures that frequency of noise elimination segment limit.
Further, separator face is provided with noise elimination shell with the outside of three-level step side logical at three-level step
Hole, stepped outer surface at different levels is the curved surface of evagination in three-level step on the noise elimination shell.
Make to be occurred in through hole in three noise elimination resonant cavities by the reflected sound wave of noise elimination outer casing inner wall in this way
Negotiation collision, preferably to obtain noise elimination effect.
Further, the noise elimination shell is connected to obtain by the upper casing of injection molded with lower casing docking, and the upper casing is under
It is provided with connecting lugs at shell docking and sealing welding is fixed on outside core pipe after connecting lugs fitting.In this way, using injection molding work
Skill manufacture, mold is complex, and process is more, but high yield rate, and performance is stablized.
When the not set partition of air inlet muffler pipe, muffler shell can be obtained using integral blow, and it is close to be inserted into core pipe
Sealing is shaped as silencer, has mold simple in this way, the few advantage of process, but yield rate is lower.
Further, admission line system includes the air filter that one end of integrally bending setting is used for and air filter outlet connects
One end of device connection segment pipe and integrally bending setting is used to connect segment pipe with the engine that engine air throttle connects,
It further include the intermediate segment pipe being fixedly attached to by clip between air filter connection segment pipe and engine connection segment pipe, in
Between segment pipe material hardness be greater than air filter connection segment pipe and engine linkage section pipeline material hardness, intermediate segment pipe
On be provided with piping fixing structure and be fixedly mounted on coachbuilt body by piping fixing structure；The core pipe front end is used for and sky
Filter connects segment pipe and is connected, and core pipe rear end is used to be connected with intermediate segment pipe so that core pipe inner cavity forms the channel for ventilation
Part.
In this way, in front of silence type car admission line system is divided into after three segment pipes, by intermediate segment pipe use compared with
Hard material obtains and piping fixing structure is arranged on it being fixed on coachbuilt body, so that admission line system can be realized
The generation for phenomena such as installation is fixed, and avoids rocking, trembling reduces noise from the root and improves to pipe protection effect.Simultaneously
Air filter connection segment pipe connect with engine segment pipe using softer material be made, can be convenient with air filter export and
Installation connection between engine air throttle, guarantees ventilatory effect.Wherein as a kind of preferable selection air filter connection
Segment pipe connects segment pipe with engine and is made by flexiplast, and intermediate segment pipe is made by rigid plastics, its cost is just in this way
Preferably, facilitate manufacture and can guarantee reaching for said effect.Meanwhile after silencer position is set on air filter connection segment pipe
End and interlude pipeline junction position, are herein the soft or hard material joining place of pipeline, and the silencer of resonant cavity principle is arranged herein,
Change air flow status, can achieve better noise elimination effect.
As a kind of optimization form of piping fixing structure, the piping fixing structure is including being in I-shaped after a flattening
Cutting ferrule, cutting ferrule middle section is axially fitted on pipeline outer wall along pipeline, and the left and right ends of cutting ferrule front and rear part are along pipeline week
Fitting is connected in the horizontal direction after to bending constitutes a suit body for being attached to pipeline outer wall, and the left and right ends of cutting ferrule front and rear part
End joint place is provided with bolt hole；Piping fixing structure further includes the supporting support of an arc-shaped sheet of entirety, support branch
Frame one end horizontal extension arcuately is simultaneously correspondingly arranged that there are two bolts hole, and leans on the left and right ends of bolt and cutting ferrule front and rear part
The bolt hole of end joint place is fixedly connected, and the supporting support other end is bent to outer lower side to be extended and time interval is provided with two
A bolt hole simultaneously is used to be fixed on coachbuilt body by bolt.
In this way, the piping fixing structure can directly carry out assembly installation without welding, have structure simple, installation side
Just, fixed reliable feature, and the I-shaped cutting ferrule used are adjacent to intermediate segment pipe using less material and raising
In conjunction with effect, fixed reliability greatly ensure that.The structure of the supporting support of use facilitates realization and the transition of vehicle body to connect
Damping, buffering effect is connect and had, ensure that the reliability and permanence of connection.
Further, the cutting ferrule and supporting support are all made of stainless steel material and are made, and can guarantee support strength.Into one
The supporting support periphery is walked with aduncate flange, to improve self-strength.Further, supporting support level is prolonged
Extending portion point is intermediate to have upward fin, to improve self-strength.On in the middle part of the outside lower extension portion lower side of supporting support
It is recessed to set, to save material and be conducive to limit during installation.Further supporting support turning outer surface along the longitudinal direction between
Every setting, there are two the recessed portions of indent, to further strengthen supporting support intensity.
As another optimization form of piping fixing structure, the piping fixing structure includes two before pipeline axial direction
Spaced trunnion afterwards, trunnion inner end are weldingly fixed on pipeline outer wall side medium position, and outer end is horizontally outer to be extended, branch
It is extended upwards after the bending of ear front and rear sides, trunnion bottom is provided with bolt hole；Piping fixing structure further includes an entirety
The supporting support of arc-shaped sheet, supporting support one end horizontal extension arcuately is simultaneously correspondingly arranged that there are two bolts hole, and leans on
Bolt bolt hole corresponding with trunnion bottom is fixedly connected, and the supporting support other end is bent to outer lower side to be extended and along time interval
Setting is there are two bolt hole and for being fixed on coachbuilt body by bolt.
Although overall structure is simpler in this way, two trunnion installations need to be welded and fixed, material is saved, and same
With easy for installation, fixed reliable feature.The structure of the supporting support of use facilitates realization to connect and have with the transition of vehicle body
There is damping, buffering effect, ensure that the reliability and permanence of connection.
Further, the trunnion and supporting support are all made of stainless steel material and are made, and can guarantee support strength.Into one
The supporting support periphery is walked with aduncate flange, to improve self-strength.Further, along interior in supporting support
Reinforcement groove is provided in outside direction, to improve self-strength.Fovea superior in the middle part of the outside lower extension portion lower side of supporting support
Setting, to save material and be conducive to limit during installation.Elastic shock attenuation set, and branch are further provided in the bolt hole of trunnion
The bolt of ear connection connects after passing through elastic shock attenuation set, to improve damping effect.
As optimization, the intermediate segment pipe includes being located to connect flat segments and position that segment pipe connects one end with air filter
In the bending section for connecting segment pipe with engine and connecting one end, the piping fixing structure is arranged in flat segments, the bending
Section outer surface evagination is formed with latticed reinforcing rib.
In this way, piping fixing structure is arranged in flat segments, its setting and installation can be convenient；Intermediate segment pipe and start
Machine connection segment pipe connects one end and is set as bending segment structure, is since the pipe joint of engine air throttle is smaller and angle is inclined
Difference is larger, keeps its installation more inconvenient, therefore one section of bending segment structure is arranged on intermediate segment pipe and connects segment pipe with engine
Connection undertakes the Partial angle turning demand of engine connection segment pipe by intermediate segment pipe, can significantly reduce in this way
To the setting requirements and installation requirement of engine connection segment pipe, facilitates the whole assembly for completing admission line system and guarantee to fill
With effect.The structural strength of this junction can be improved in the reinforcing rib being arranged on bending section, guarantees that assembly is reliable.
Further, it is additionally provided on the bending section of the intermediate segment pipe for being connected with engine crank case ventilation pipe
Oil gas flow back communicating pipe.In this way, oil gas reflux can guarantee the balance of the air pressure adjustment in engine crankcase communicating pipe, simultaneously
Oil gas reflux, which is arranged on the bending section of intermediate segment pipe communicating pipe, can guarantee its own intensity and connection reliability, while its
It position can be to avoid the erosion to cleaner cartridge cleaner far from air filter.
As optimization, clamp connection structure is each provided at the interlude pipe ends, clamp connection structure includes convex
The clamping protrusion for being formed in the two axially spaced settings of circle of pipeline periphery is acted, two circle clamping protrusions are intermediate to be formed with clip installation
Slot.
Wherein clip installation groove width be slightly larger than clip width, in this way, when clip being facilitated to assemble be aligned clip mounting groove into
Row installation banding, so that the pipeline for another section of flexible material being located above clip mounting groove is tightened deformation and drops into clip peace
In tankage, guarantee the sealing effect of banding.
Further, by an inner circle clamping height of projection beyond outer circle clamping height of projection and by an inner circle card
Connecing has an outwardly extending retention bead at raised outermost end.Assembly limit more convenient in this way.Further, clip connects
In binding structure, it is to be obliquely installed and extend to interlude pipeline end face that an outer circle, which is clamped raised lateral surface, with convenient for assembly
When both ends flexible ducts insertion.
As optimization, the air filter connection segment pipe integrally bending setting, and near-space is leaned on air filter connection segment pipe
A bellows piece is provided at the front position of filter outlets position.
In this way, air filter connection segment pipe can satisfy air filter gas outlet angle deflecting connection request, especially ripple
The setting of pipe, its more convenient installation connection.
Further equal evagination is formed with latticed reinforcing rib on the pipeline outer wall of bellows piece rear and front end, to improve
Its integral strength.
Further, bellows piece rear end side is also welded with one piece of outside connecting plate, shape on connecting plate outer end
At there is card slot, in this way, bellows is facilitated to be fixed on vehicle body by the card slot of connecting plate, to avoid the shaking of bellows piece,
To guarantee stability and preferably elimination noise.Further, card slot have internally positioned domed clamping chamber and
Positioned at the external lesser clamping entrance of width.In this way, can be convenient the cylindrical anchor structure phase on card slot and vehicle body
Clamping.
Further, the both ends outer surface of core pipe is circumferentially arranged clip mounting groove, and the installation of clip is facilitated to fix.
Further, an EPDM plastics also are fixedly connected with by clip between air inlet muffler pipe and intermediate segment pipe
Hose.Being in this way is plastic rigid pipe due to the core pipe of air inlet muffler pipe, and intermediate segment pipe is identical rigid plastics, therefore is increased
If one end plastic flexible pipe, it is ensured that the connection sealing effect of the two.
In conclusion the present invention has structure simple, it can reduce noise, facilitate connection, be conducive to assembly, reduce vibration etc.
Advantage.
Detailed description of the invention
Fig. 1 is the schematic perspective view of best embodiment of the present invention.
Fig. 2 is the structural schematic diagram of independent intermediate segment pipe in Fig. 1.
Fig. 3 is the left view of Fig. 2.
Fig. 4 is the top view of Fig. 2.
Fig. 5 is the structural representation that can embody the piping fixing structure another kind specific embodiment on intermediate segment pipe
Figure.
Fig. 6 is the top view of Fig. 5.
Fig. 7 is the structural schematic diagram of independent air inlet muffler pipe in Fig. 1.
Fig. 8 is the left view of Fig. 7.
Fig. 9 is the schematic diagram that can embody another air inlet muffler pipe specific embodiment structure.
Figure 10 is the left view of Fig. 9.
Specific embodiment
Below with reference to optimal embodiment and attached drawing, the present invention is described in further detail.
Optimal embodiment: as Figure 1-10 shows, a kind of silence type car admission line system, including integrally bending are set
The one end set is used for and the air filter that connects of air filter outlet connect one end of segment pipe 1 and integrally bending setting for
The engine that engine air throttle connects connects segment pipe 2, wherein further includes that air filter connection is fixedly attached to by clip 3
Intermediate segment pipe 4(clip between segment pipe and engine connection segment pipe uses spring turbine and worm clip, has tightening force
Greatly, the features such as circumferential uniform force application, band pretensioning effect, it is suitble to the company between hard material pipeline and flexible material pipeline herein
Connect), intermediate 4 material hardness of segment pipe is greater than air filter connection segment pipe 1 and connects 2 material hardness of segment pipe with engine,
Piping fixing structure is provided on intermediate segment pipe 4 and is fixedly mounted on coachbuilt body by piping fixing structure.
In this way, in front of silence type car admission line system is divided into after three segment pipes, by intermediate segment pipe use compared with
Hard material obtains and piping fixing structure is arranged on it being fixed on coachbuilt body, so that admission line system can be realized
The generation for phenomena such as installation is fixed, and avoids rocking, trembling reduces noise from the root and improves to pipe protection effect.Simultaneously
Air filter connection segment pipe connect with engine segment pipe using softer material be made, can be convenient with air filter export and
Installation connection between engine air throttle, guarantees ventilatory effect.Wherein as a kind of preferable selection air filter connection
Segment pipe connects segment pipe with engine and is made by flexiplast, and intermediate segment pipe is made by rigid plastics, its cost is just in this way
Preferably, facilitate manufacture and can guarantee reaching for said effect.
In this optimal embodiment, the piping fixing structure includes after a flattening in I-shaped cutting ferrule 5, cutting ferrule 5
Middle section is axially fitted on pipeline outer wall along pipeline, the left and right ends of 5 front and rear part of cutting ferrule edge after pipeline circumferential skewing
Horizontal direction fitting, which is connected, constitutes a suit body for being attached to pipeline outer wall, and the left and right ends end joint place of cutting ferrule front and rear part
It is provided with bolt hole；Piping fixing structure further includes the supporting support 6 of an arc-shaped sheet of entirety, and supporting support 6 is arcuately
One end horizontal extension and be correspondingly arranged there are two bolt hole, and by the left and right ends end of bolt 7 and cutting ferrule front and rear part patch
Bolt hole at conjunction is fixedly connected, and 6 other end of supporting support is bent extension to outer lower side and there are two spiral shells along time interval setting
Keyhole simultaneously is used to be fixed on coachbuilt body by bolt.
In this way, the piping fixing structure can directly carry out assembly installation without welding, have structure simple, installation side
Just, fixed reliable feature, and the I-shaped cutting ferrule used are adjacent to intermediate segment pipe using less material and raising
In conjunction with effect, fixed reliability greatly ensure that.The structure of the supporting support of use facilitates realization and the transition of vehicle body to connect
Damping, buffering effect is connect and had, ensure that the reliability and permanence of connection.
In this optimal embodiment, the cutting ferrule and supporting support are all made of stainless steel material and are made, and can guarantee to support
Intensity.When implementation, 6 periphery of supporting support has aduncate flange, to improve self-strength.Wherein, supporting support 6
There is upward fin 8, to improve self-strength among horizontal continuation.Wherein, the outside lower extension portion of supporting support 6
Fovea superior setting in the middle part of lower side, to save material and be conducive to limit during installation.Wherein, 6 turning outer surface edge of supporting support
Front-rear direction is arranged at intervals with the recessed portion 9 of two indents, to further strengthen supporting support intensity.
Referring to Fig. 5-6, as the another embodiment of piping fixing structure, the piping fixing structure includes two edges
Spaced trunnion 10,10 inner end of trunnion are weldingly fixed on pipeline outer wall side medium position, outer end edge to pipeline axially back and forth
Extend horizontally outward, is extended upwards after the bending of 10 front and rear sides of trunnion, 10 bottom of trunnion is provided with bolt hole；Pipeline is fixed
Structure further includes the supporting support 11 of an arc-shaped sheet of entirety, one end horizontal extension arcuately of supporting support 11 and correspondence
Setting is fixedly connected there are two bolt hole, and by the bolt hole corresponding with trunnion bottom of bolt 12,11 other end of supporting support to
Outer lower side bending extends and along time interval setting there are two bolt hole and for being fixed on coachbuilt body by bolt.
Although overall structure is simpler in this way, two trunnion installations need to be welded and fixed, material is saved, and same
With easy for installation, fixed reliable feature.The structure of the supporting support of use facilitates realization to connect and have with the transition of vehicle body
There is damping, buffering effect, ensure that the reliability and permanence of connection.
In the piping fixing structure of above-mentioned another embodiment, further, the trunnion 10 and supporting support 11 are equal
It is made using stainless steel material, can guarantee support strength.Further 11 periphery of supporting support has aduncate
Flange, to improve self-strength.Further, it is provided in inward-outward direction in supporting support 11 and reinforces groove 13, to improve
Self-strength.Fovea superior setting in the middle part of the outside lower extension portion lower side of supporting support 11, to save material and be conducive to installing
When limit.It is further provided with the bolt 12 that elastic shock attenuation set 14 is connected with trunnion in the bolt hole of trunnion 10 and passes through elasticity
It is connected after shock-absorbing sleeve 14, to improve damping effect.
In the optimal embodiment of this silence type car admission line system, the intermediate segment pipe 4 include be located at and
Air filter connection segment pipe connect the flat segments of one end with positioned at the bending section 15 for connecting segment pipe with engine and connecting one end, institute
It states piping fixing structure to be arranged in flat segments, the 15 outer surface evagination of bending section is formed with latticed reinforcing rib 26.
In this way, piping fixing structure is arranged in flat segments, its setting and installation can be convenient；Intermediate segment pipe and start
Machine connection segment pipe connects one end and is set as bending segment structure, is since the pipe joint of engine air throttle is smaller and angle is inclined
Difference is larger, keeps its installation more inconvenient, therefore one section of bending segment structure is arranged on intermediate segment pipe and connects segment pipe with engine
Connection undertakes the Partial angle turning demand of engine connection segment pipe by intermediate segment pipe, can significantly reduce in this way
To the setting requirements and installation requirement of engine connection segment pipe, facilitates the whole assembly for completing admission line system and guarantee to fill
With effect.The structural strength of this junction can be improved in the reinforcing rib being arranged on bending section, guarantees that assembly is reliable.
Wherein, it is additionally provided on the bending section 15 of the intermediate segment pipe 4 for being connected with engine crank case ventilation pipe
Oil gas flow back communicating pipe 16.In this way, oil gas reflux can guarantee the balance of the air pressure adjustment in engine crankcase communicating pipe, together
When oil gas reflux be arranged in communicating pipe on the bending section of intermediate segment pipe and can guarantee its own intensity and connection reliability, simultaneously
It its position can be to avoid the erosion to cleaner cartridge cleaner far from air filter.
Wherein, it is each provided with clamp connection structure at 4 both ends of intermediate segment pipe, clamp connection structure includes convex shaped
At the clamping protrusion of the two axially spaced settings of circle in pipeline periphery, two circle clamping protrusions are intermediate to be formed with clip mounting groove
17。
Wherein 17 width of clip mounting groove is slightly larger than clip width, in this way, being directed at clip mounting groove when clip being facilitated to assemble
Installation banding is carried out, so that the pipeline for another section of flexible material being located above clip mounting groove is tightened deformation and drops into clip
In mounting groove, guarantee the sealing effect of banding.
Wherein, beyond outer circle clamping height of projection and convex by an inner circle clamping by an inner circle clamping height of projection
Rising has an outwardly extending retention bead 18 at outermost end.Assembly limit more convenient in this way.Further, clamp connection
In structure, it is to be obliquely installed and extend to interlude pipeline end face that an outer circle, which is clamped raised lateral surface, with it is convenient for assembly when
The insertion of both ends flexible duct.
Wherein, air filter connection 1 integrally bending of the segment pipe setting, and close to air filter on air filter connection segment pipe 1
A bellows piece 19 is provided at the front position of device outlet port.
In this way, air filter connection segment pipe can satisfy air filter gas outlet angle deflecting connection request, especially ripple
The setting of pipe, its more convenient installation connection.
Wherein, equal evagination is formed with latticed reinforcing rib 20 on the pipeline outer wall of 19 rear and front end of bellows piece, to mention
Its high integral strength.
Wherein, bellows piece rear end side is also welded with one piece of outside connecting plate 21, shape on 21 outer end of connecting plate
At there is card slot 22；In this way, facilitating bellows to be fixed on vehicle body by the card slot of connecting plate, to avoid the rolling of bellows piece
It is dynamic, to guarantee stability and preferably elimination noise.Wherein, card slot 22 have internally positioned domed clamping chamber and
Positioned at the external lesser clamping entrance of width.In this way, can be convenient the cylindrical anchor structure phase on card slot and vehicle body
Clamping.
Wherein, one is additionally provided with using the noise elimination original of nurse hertz suddenly at back-end location on the air filter connection segment pipe 19
The air inlet muffler pipe of reason.It is formed in air inlet muffler pipe for the channel part of ventilation and is connected to the channel part
For generating the chamber portion of resonant silencing effect.
In this way, the setting of air inlet muffler pipe, can reduce vehicle and make an uproar so that resonant silencing principle is to eliminate inflow noise
Sound pollution.Silencer position is set to rear end and interlude pipeline junction position on air filter connection segment pipe simultaneously, herein
For the soft or hard material joining place of pipeline, the silencer of resonant cavity principle is set herein, changes air flow status, can achieve more preferable
Noise elimination effect.
Wherein, the air inlet muffler pipe includes a core pipe 23, and 23 front end of core pipe is for connecting segment pipe 1 with air filter
It is connected, 23 rear end of core pipe is used to be connected with intermediate segment pipe 4 so that core pipe inner cavity forms the channel part for ventilation, core pipe 23
Middle part has circumferentially been evenly arranged several sound attenuation holes 24, and 23 middle part periphery of core pipe is arranged with a noise elimination shell 25, eliminates the noise outer
25 both ends of shell and 23 sealed set of core pipe are simultaneously constituted between noise elimination shell 25 and core pipe 23 for generating resonant silencing effect
Chamber portion.
The silencer of this spline structure, the setting of core pipe can utmostly avoid the interference flowed to air, meanwhile, core pipe
Surrounding setting noise elimination shell forms resonant cavity, and the sound attenuation hole in core pipe can be realized part noise elimination effect, then leans on noise elimination shell
The resonant cavity of formation re-forms part noise elimination effect, preferably eliminates pneumatic noise.
Wherein, the both ends outer surface of core pipe 23 is circumferentially arranged clip mounting groove 26, and the installation of clip is facilitated to fix.
Wherein, the side of the noise elimination shell 25 is designed as being gradually reduced apart from core pipe distance from front to back vertically
Three-level step-like 27, and every section of side of noise elimination shell stepped outer surface is that the round and smooth linking of multistage arcwall face is constituted not in the circumferential
Ruled surface, the noise elimination shell other side are designed as including oblique by one section of direct slope section 28 of front position and rearward one section vertically
Slope 29 shapes of section, and the side of noise elimination shell 25 is that multistage plane is folded to the round and smooth linking composition in connected and junction not in the circumferential
Rule is folded to joint face.
In this way, shell side is designed as, three-level is step-like, can preferably carry out for the noise of three kinds of frequency segment limits
It eliminates the noise, while unique shell mechanism of silencer, so that equal structure on its axial front-rear position and circumferential all directions position
At irregular and asymmetrical inner-cavity structure, the effect that sound wave reflection interference is eliminated the noise in noise elimination shell inner cavity is greatlyd improve in this way
Fruit.Inflow noise can utmostly be eliminated.
Wherein, the core pipe 23 is further fixedly arranged on the two circle partitions for extending outwardly and being fixedly attached to noise elimination outer casing inner wall
30, what 30 outer end of partition was connected to noise elimination shell step is folded to place.
Make the noise elimination resonant cavity that three different volumes are correspondingly formed at three-level step by two partitions in this way, it can be more
The noise on three frequency bands is targetedly eliminated, noise elimination specific aim is improved and better ensures that frequency of noise elimination segment limit.
, can also further when implementation, partition 30 has the outside of three-level step side close to three in face of noise elimination shell
It is provided with through-hole at grade step, stepped outer surface at different levels is the curved surface of evagination in three-level step on the noise elimination shell.
Make to be occurred in through hole in three noise elimination resonant cavities by the reflected sound wave of noise elimination outer casing inner wall in this way
Negotiation collision, preferably to obtain noise elimination effect.
In present embodiment, the noise elimination shell 25 is connected to obtain by upper casing and the lower casing docking of injection molded, it is described on
It is provided with connecting lugs at shell and lower casing docking and sealing welding is fixed on outside core pipe after connecting lugs fitting.In this way, using
Shooting Technique manufacture, mold is complex, and process is more, but high yield rate, and performance is stablized.
In present embodiment, an EPDM also is fixedly connected with by clip between air inlet muffler pipe and intermediate segment pipe
Plastic flexible pipe 31.Being in this way is plastic rigid pipe due to the core pipe of air inlet muffler pipe, and intermediate segment pipe is the modeling of identical hard
Material, therefore add one end plastic flexible pipe, it is ensured that the connection sealing effect of the two.
Fig. 9 and Figure 10 discloses another air inlet muffler pipe specific embodiment structure, wherein in above-mentioned air inlet pipe
On the basis of acoustic wave filter structure, the setting of partition is eliminated, while muffler shell 25 is obtained using integral blow, is inserted into core
The sealing fixation of pipe 23 forms silencer, and other structures are consistent with the air inlet pipe acoustic wave filter structure of above embodiment, have in this way
Mold is simple, the few advantage of process, but yield rate is lower.
Claims (9)
1. a kind of silence type car admission line system, which is characterized in that be provided with one in admission line system using suddenly
The air inlet muffler pipe of nurse hertz noise-cancelling theory, the air inlet muffler pipe include a core pipe, and core pipe inner cavity is formed for leading to
The channel part of gas, core pipe middle part has circumferentially been evenly arranged several sound attenuation holes, and periphery is arranged with a noise elimination in the middle part of core pipe
Shell, noise elimination shell both ends and core pipe sealed set are simultaneously constituted between noise elimination shell and core pipe for generating resonant silencing effect
Chamber portion；
It is step-like that the side of the noise elimination shell is designed as the three-level being gradually reduced from front to back apart from core pipe distance vertically,
And every section of side of noise elimination shell stepped outer surface is the Irregular Boundary Surface that the round and smooth linking of multistage arcwall face is constituted in the circumferential, is eliminated the noise
The shell other side is designed as including the one section of direct slope section and one section of slope section shape rearward by front position vertically, and noise elimination
The shell side is that multistage plane is folded to and is connected and what the round and smooth linking in junction was constituted is irregularly folded to joint face in the circumferential；So that
Irregular and asymmetrical inner-cavity structure is constituted on its axial front-rear position and circumferential all directions position.
2. silence type car admission line system as described in claim 1, which is characterized in that the core pipe is also fixedly installed
There are the two circle partitions for extending outwardly and being fixedly attached to noise elimination outer casing inner wall, partition outer end is connected to being folded to for noise elimination shell step
Place.
3. silence type car admission line system as described in claim 1, which is characterized in that admission line system includes whole
One end of body bending setting is used to connect one end of segment pipe and integrally bending setting with the air filter that air filter outlet connects
It further include that air filter linkage section is fixedly attached to by clip for connecting segment pipe with the engine that engine air throttle connects
Intermediate segment pipe between pipeline and engine connection segment pipe, interlude pipeline material hardness are greater than the air filter linkage section
Pipeline and engine linkage section pipeline material hardness are provided with piping fixing structure on intermediate segment pipe and by piping fixing structure
It is fixedly mounted on coachbuilt body；The core pipe front end is used to be connected with air filter connection segment pipe, and core pipe rear end is used for in
Between segment pipe be connected so that core pipe inner cavity formed for ventilation channel part.
4. silence type car admission line system as claimed in claim 3, which is characterized in that the piping fixing structure packet
It includes after a flattening in I-shaped cutting ferrule, cutting ferrule middle section is axially fitted on pipeline outer wall along pipeline, cutting ferrule front and rear part
The connected composition one of fitting is attached to the suit body of pipeline outer wall in the horizontal direction after pipeline circumferential skewing for the left and right ends divided, and blocks
The left and right ends end joint place of set front and rear part is provided with bolt hole；Piping fixing structure further includes arc-shaped of entirety
The supporting support of shape, supporting support one end horizontal extension arcuately is simultaneously correspondingly arranged that there are two bolts hole, and leans on bolt and card
The bolt hole for covering the left and right ends end joint place of front and rear part is fixedly connected, and the supporting support other end is bent to outer lower side to be extended
And along time interval setting there are two bolt hole and for being fixed on coachbuilt body by bolt.
5. silence type car admission line system as claimed in claim 3, which is characterized in that the piping fixing structure packet
Including two, spaced trunnion, trunnion inner end are weldingly fixed on pipeline outer wall side medium position axially back and forth along pipeline, outside
End is horizontally outer to be extended, and is extended upwards after the bending of trunnion front and rear sides, trunnion bottom is provided with bolt hole；Pipeline is fixed
Structure further includes the supporting support of an arc-shaped sheet of entirety, and supporting support one end horizontal extension arcuately is simultaneously correspondingly arranged
There are two bolts hole, and are fixedly connected by bolt bolt hole corresponding with trunnion bottom, and the supporting support other end is curved to outer lower side
Qu Yanshen simultaneously there are two bolt hole and is used to be fixed on coachbuilt body by bolt along time interval setting.
6. silence type car admission line system as claimed in claim 3, which is characterized in that the intermediate segment pipe includes
Positioned at connected with air filter segment pipe connect the flat segments of one end with positioned at the bending for connecting segment pipe with engine and connecting one end
Section, the piping fixing structure are arranged in flat segments, and bending section outer surface evagination is formed with latticed reinforcing rib.
7. silence type car admission line system as claimed in claim 3, which is characterized in that the interlude pipe ends
Place is each provided with clamp connection structure, and clamp connection structure includes being projected and formed in the two axially spaced settings of circle of pipeline periphery
Clamping protrusion, two circle clamping protrusions are intermediate to be formed with clip mounting groove.
8. silence type car admission line system as claimed in claim 3, which is characterized in that the air filter linkage section pipe
The setting of road integrally bending, and a ripple is provided at the front position of air filter outlet port on air filter connection segment pipe
Pipeline section.
9. silence type car admission line system as claimed in claim 8, which is characterized in that bellows piece rear end side is also
It is welded with one piece of outside connecting plate, connecting plate is formed with card slot on outer end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610951167.5A CN106286038B (en) | 2016-10-25 | 2016-10-25 | A kind of silence type car admission line system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610951167.5A CN106286038B (en) | 2016-10-25 | 2016-10-25 | A kind of silence type car admission line system |
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| CN106286038A CN106286038A (en) | 2017-01-04 |
| CN106286038B true CN106286038B (en) | 2019-03-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| US10539066B1 (en) * | 2018-11-21 | 2020-01-21 | GM Global Technology Operations LLC | Vehicle charge air cooler with an integrated resonator |
| CN112555072A (en) * | 2020-12-08 | 2021-03-26 | 安徽江淮汽车集团股份有限公司 | Amortization structure and car |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201786502U (en) * | 2010-08-20 | 2011-04-06 | 奇瑞汽车股份有限公司 | Broadband muffler |
| CN201982158U (en) * | 2011-03-16 | 2011-09-21 | 奇瑞汽车股份有限公司 | Car exhaust muffler |
| CN202188232U (en) * | 2011-07-28 | 2012-04-11 | 长城汽车股份有限公司 | Flexible pipe fixing device with high structure rigidity and high fatigue resistance |
| CN102996302B (en) * | 2012-08-11 | 2016-01-27 | 郭荣 | A kind of silencing apparatus simultaneously can eliminating wide band and narrow frequency band noise |
| CN203051968U (en) * | 2012-12-12 | 2013-07-10 | 北汽福田汽车股份有限公司 | Respirator connecting pipe fixed support and corresponding respirator connecting pipe assembly |
| CN203267771U (en) * | 2013-01-17 | 2013-11-06 | 奇瑞汽车股份有限公司 | Air inlet pipe assembly and automobile air inlet system using same |
| CN203441652U (en) * | 2013-07-29 | 2014-02-19 | 宁波均胜汽车电子股份有限公司 | Air inlet pipe structure for automobile engine |
| CN103790693B (en) * | 2014-02-18 | 2016-08-17 | 安徽江淮汽车股份有限公司 | A kind of ICS intercooler system air inlet pipe |
| CN203727163U (en) * | 2014-03-13 | 2014-07-23 | 安徽江淮汽车股份有限公司 | Lightweight car and muffler suspension thereof |
| CN203856569U (en) * | 2014-05-13 | 2014-10-01 | 上海汽车集团股份有限公司 | Connecting pipe in front of rear throttle valve of intercooler |
| CN203962221U (en) * | 2014-07-30 | 2014-11-26 | 安徽江淮汽车股份有限公司 | A kind of air filter steam outlet pipe assembly |
| CN204126784U (en) * | 2014-10-20 | 2015-01-28 | 安徽江淮汽车股份有限公司 | A kind of steam outlet pipe assembly of air filter of automobile and air filter |
| 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 |
| CN204506527U (en) * | 2015-02-12 | 2015-07-29 | 天津宝骏科技发展有限公司 | A kind of intercooler air inlet hard tube mounting bracket |
| CN105946555B (en) * | 2016-07-08 | 2018-06-22 | 天津瑞林迪科技股份有限公司 | Automobile air inlet system locating support |
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2016
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